In this section you find information about occurring warnings and errors. As we are continuously gathering information on how/when warnings and errors occur and under which circumstances this site will constantly be updated with new information.

Please contact the respective support for your application:

Please contact the MSC Apex Support Hexagon Emendate support if a warning or error occurs which is not yet listed here or cannot be averted by applying the compiled help:

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The integrated smoothing algorithm failed. Please contact the support team.

W06e455b5

minThickness and noHole constraints cannot be used together. Disabling minThickness

This is a known limitation. The noHole function is not compatible with the minThickness function. This will be addressed in one of the next versions.

W0a3338c8

sfMesher timed out

sfMesher creates the 3D volume meshes of the final design result. In this case the sfMesher wasn’t able to create a volume mesh. Please contact the support team.

W1204aa23

Unsupported response type in design constraint …

This design constraint is not supported by HxGN Emendate.

W144e5a74

DRESP2 is not supported yet

Only DRESP1 is supported.

W152f73be

Only DRESP1 is supported.

W1516e89f

no-hole is not available for non-casting optimizations yet

The no-hole function is only available for casting.

W1640e2da

performed << n_critical << far force field displacement(s) to match candidate

Please contact the support

W1c3ad048

The optimization removed more than 95% of the possible volume, which can lead to unclear geometries. Consider reducing the stress target.

A lot of material was removed. In most cases this is not the desired behaviour. The stress target could be chosen incorrectly.

W1c3ad049

The optimization removed less than 10% of the possible volume, which can lead to a longer calculation time and indicates that the optimization does not have enough space to find the best geometry. Consider increasing the stress target or design space.

W4c6bbd7f

Configured both TOPVAR STRESS and EMENPRM SF - ignoring the latter

A stress value is defined in the TOPVAR card as well as a safety factor in the EMENPRM card. The TOPVAR stress value will be considered.

W4d647e01

not optimizing for casting - ignoring EMENPRM CASTPRM

CASTPRM can only be used for a casting optimization.

W52c8c658

Ambiguous tensile strength - MAT1 ST field set for solid … overridden by TOPVAR STRESS

A material stress limit is defined as well as a TOPVAR Stress value. The TOPVAR Stress value is considered.

W5e13e145

sfMesher failed to terminate properly

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher failed. Please contact the support.

E0ab33147

tool region … refers to non-volumetric geometry

The defined casting region is not a solid body / closed manifold geometry.

E133413c8

No casting/milling tools are loaded

Reconsider/check the manual defined tools.

E133413c9

No casting/milling tools are loaded

Reconsider/check the manual defined tools.

E53eeff00

feature … is unavailable

The license cannot be check out. Please check you license.

E54c591e8

supportReductionMode is not supported for BallStrategy

The Support Reduction function is currently not available. It will return shortly redesigned and improved.

E7f716c48

This Error is only produced after another Error was encountered. The optimisation algorithm tried to continue despite the previous Error but could not continue. The optimisation fails with this Error although the primary Error is the reason for the terminated optimisation.

E4ebe0a20

Projected memory requirement exceeds available memory - complexity … (detail …) is too high. Theoretical limit: complexity … (detail …), recommended: complexity … (detail …)

The chosen complexity value is too high to be calculated on this machine. A certain maximum complexity value is recommended. Have a look here.

Eb20f3415

boundary condition is missing elements

A Non-Design Space was removed and the applied boundary conditions are not considered

The Design Space has lost the connection to the force/constraint application point. The model is no longer complete and it doesn’t make sense to continue with the optimisation.

Make sure that the Keep Non Design function is activated. Increase the Complexity or increase the Safety Factor.

Eb20f3980

Missing config entry …

The configuration file is missing an entry or command. Please check your entries in the Advanced User Settings or if you are using the Command Line Optimisation please check the Configuration File. You can find all commands for the Advanced User Settings here and the Configuration File here.

E39d2c328

unexpected error loading file statistics.csv: Unable to open input file

This may occur if an optimisation is started with Advanced User Settings with which only 1 or 2 iterations should be calculated. How to resolve this here.

...

schedule.level.3.subiterations.~.outputMode.OutputGeneratedSurface

E58799450

unexpected error writing file file_name.ply:

One of the result files cannot be written. This can happen while using parallelization (default). This can be resolved by adding following Advanced User Settings commands:

...

process.workers = 1

E724493a8

Unable to open file … for writing

There are no privileges to access a file which is needed. Please check where the project folder is placed in which all the results are written. Network drives and cloud storage (e.g. OneDrive) are not recommended.

E3ee97ff0

supportReductionIntensity … is out of bounds 0-10.

Please adjust the Intensity value of the Support Reduction according to the boundaries.

E449a19a0

invalid supportReductionMode … expected off, passive, reactive or active.

Please set the Support Reduction Mode to one of the supported modes.

E4a364e88

missing / incompatible strutDensity setting for use with support avoidance.

If you are using the Support Reduction, you need to define a Strut Density.

W6e184ce8

Permanently shutting down soft symmetry because all dimensions have become unsalvagably asymmetric.

Eb20f33c1

LicenseConstraintException    failed to acquire … count … instances of … feature

A license for the GD Engine and/or the GPU calculation couldn’t be acquiered. Please check your licenses.

E0850d340

Attempted to write a checkpoint on unpaused job.

Restart file could not be written at this point in the optimisation. Please have a look at the prior error code which shows the primary reason for the failed optimisation.

E16808658

Legacy config format is disabled.

Please export the Scenario again (version 2022.1 or newer) to generate the supported json file format.

W2cc566c0

Fixed … reshaping error(s) - boundary violations … threshold exceeded …

Information message that the algorithm corrected some errors in the file. The optimisation continues as before.

E79aa1a40

Fractured design space - make sure the model consists of only a single, connected body.

Occurs mainly if no Interface is placed between Design Space and Retained Volume.

E5f09e875

RBE-tied boundary condition is missing nodes

...

W17b312a1

Nastran file … at … corrupted. Trying to rerun nastran

For eigenfrequency optimisations MSC Nastran is called in the background. In this case the .h5 is defect. Make sure the correct path to MSC Nastran is defined in the application settings (path to nastXXXX.exe)

W17b312a2

Nastran file … h5 not found in … Trying to rerun nastran

For eigenfrequency optimisations MSC Nastran is called in the background. In this case the .h5 couldn’t be found. Make sure the correct path to MSC Nastran is defined in the application settings (path to nastXXXX.exe)

W1ee5aa1b

First frequency … Hz is significantly below frequency constraint… Hz

The first calculated eigenfrequency of the full Design Space is lower than the chosen frequency constraint. The optimisation logic isn’t able to reduce material in this case. There is a workaround on the frequency help page.

W26473bd0

Detail specified together with either complexity or resolution - using detail for optimization

Detail and Complexity are both set. Detail is used.

W312309f8

error computing new UFI for …. voxels

Please contact MSC Apex Support.

W3203a74e

unable to remove file …

Access to a specific file was denied. The file couldn’t be deleted.

W5b09c551

condition-based frequency-analysis event … must have at least one condition

At least one displacement constraint / fixation is needed for a eigenfrequency optimisation.

W6b26eae6

frequency failures cannot be extracted without input frequencies

MSC Nastran hasn’t found any eigenfrequencies in the given range. The optimisation continues. The first calculated eigenfrequency is much higher than the entered Frequency Constraint.

W757e1585

Could not load Nastran result for nastran frequency event. Reason …. Proceeding as if empty

MSC Nastran hasn’t found any eigenfrequencies in the given range. The optimisation continues. The first calculated eigenfrequency is much higher than the entered Frequency Constraint.

W043b9b9f

… design voxels are unreachable by any tool

Some voxel elements cannot be reached by any tool (especially for casting). Please contact the support if this leads to unsatisfying results.

W22501763

point of application missing for RBE2/RBE3 condition …

There is no point of application set for a boundary condition with a RBE2 / RBE3 element. Make sure a dummy load is created with a force value.

W3efb0cf5

tool … is facing the wrong way with respect to symmetry planes

Hard symmetry is active and one draw direction is normal to the symmetry plane and redundant.

W7f2ab81d

rotational fixation on … ineffective - select tying mode RBE2

Rotational degrees of freedom can be only unconstraint if a RBE2 element is used.

W03318c60

Missed … voxels marked for erosion

Some voxels in the background couldn’t be reached for erosion. Please contact the support if this happens several times.

W06e455b5

minThickness and noHole constraints cannot be used together. Disabling minThickness

This is a known limitation. The noHole function is not compatible with the minThickness function. This will be addressed in one of the next versions.

W0a3338c8

sfMesher timed out

sfMesher creates the 3D volume meshes of the final design result. In this case the sfMesher wasn’t able to create a volume mesh. Please contact the support team.

W1204aa23

Unsupported response type in design constraint …

This design constraint is not supported by HxGN Emendate.

W144e5a74

DRESP2 is not supported yet

Only DRESP1 is supported.

W152f73be

Only DRESP1 is supported.

W1516e89f

no-hole is not available for non-casting optimizations yet

The no-hole function is only available for casting.

W1640e2da

performed << n_critical << far force field displacement(s) to match candidate

Please contact the support

W1c3ad048

The optimization removed more than 95% of the possible volume, which can lead to unclear geometries. Consider reducing the stress target.

A lot of material was removed. In most cases this is not the desired behaviour. The stress target could be chosen incorrectly.

W1c3ad049

The optimization removed less than 10% of the possible volume, which can lead to a longer calculation time and indicates that the optimization does not have enough space to find the best geometry. Consider increasing the stress target or design space.

W4c6bbd7f

Configured both TOPVAR STRESS and EMENPRM SF - ignoring the latter

A stress value is defined in the TOPVAR card as well as a safety factor in the EMENPRM card. The TOPVAR stress value will be considered.

W4d647e01

not optimizing for casting - ignoring EMENPRM CASTPRM

CASTPRM can only be used for a casting optimization.

W52c8c658

Ambiguous tensile strength - MAT1 ST field set for solid … overridden by TOPVAR STRESS

A material stress limit is defined as well as a TOPVAR Stress value. The TOPVAR Stress value is considered.

W5e13e145

sfMesher failed to terminate properly

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher failed. Please contact the support.

W5f2d8dd8

sfMesher failed with exit code << ec

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher failed with a known error. Please contact the support.

W62eb261b

sfMesher failed to produce expected output bdf file

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher failed. Please contact the support.

W6572bada

unable to compute volume mesh

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher failed. Please contact the support.

W6795664b

no non-designs / interfaces found - expect volume mesh generation to fail

Without defined non-designs the volume mesh cannot be successful.

W69c82e60

forces/moments do not cancel out in assembly event load case ….

Numerical stabilization is used to run the FEA without fixations. The forces & moments should cancel out for a reliable result.

W720c60fc

sfMesher failed to start

The sfMesher creates automatically the volume mesh for the MSC Nastran re-analysis. In this case sfMesher could not start. Please contact the support.

E03a67332

invalid settings for no-hole: tool alignment conflicts with symmetry plane(s)
Rethink your symmetry plane(s).

E05489577

invalid settings for no-hole: tools must be pairwise collinear

no-Hole only works for one axis draw directions (postive and negative draw directions on the same axis)

E08c63728

invalid displacement constraint … does not refer to an RBE node

Displacement constraints must refer to an RBE control node.

E0a424335

DCONSTR … refers to non-existing response …

There is no referenced design response for the design constraint.

E0c4b3ee4

invalid PRINT setup in TOPVAR: missing print direction

No direction is specified for the AM support reduction.

E5f29ce75

cyclic symmetry is not supported

Only plane symmetry is supported.

E0ab33147

tool region … refers to non-volumetric geometry

The defined casting region is not a solid body / closed manifold geometry.

E133413c8

No casting/milling tools are loaded

Reconsider/check the manual defined tools.

E133413c9

No casting/milling tools are loaded

Reconsider/check the manual defined tools.

E53eeff00

feature … is unavailable

The license cannot be check out. Please check you license.

E54c591e8

supportReductionMode is not supported for BallStrategy

The Support Reduction function is currently not available. It will return shortly redesigned and improved.

E7f716c48

This Error is only produced after another Error was encountered. The optimisation algorithm tried to continue despite the previous Error but could not continue. The optimisation fails with this Error although the primary Error is the reason for the terminated optimisation.

E4ebe0a20

Projected memory requirement exceeds available memory - complexity … (detail …) is too high. Theoretical limit: complexity … (detail …), recommended: complexity … (detail …)

The chosen complexity value is too high to be calculated on this machine. A certain maximum complexity value is recommended. Have a look here.

Eb20f3415

boundary condition is missing elements

A Non-Design Space was removed and the applied boundary conditions are not considered

The Design Space has lost the connection to the force/constraint application point. The model is no longer complete and it doesn’t make sense to continue with the optimisation.

Make sure that the Keep Non Design function is activated. Increase the Complexity or increase the Safety Factor.

Eb20f3980

Missing config entry …

The configuration file is missing an entry or command. Please check your entries in the Advanced User Settings or if you are using the Command Line Optimisation please check the Configuration File. You can find all commands for the Advanced User Settings here and the Configuration File here.

E39d2c328

unexpected error loading file statistics.csv: Unable to open input file

This may occur if an optimisation is started with Advanced User Settings with which only 1 or 2 iterations should be calculated. How to resolve this here.

E58799450

unexpected error writing file file_name.ply:

One of the result files cannot be written. This can happen while using parallelization (default). This can be resolved by adding following Advanced User Settings commands:

E724493a8

Unable to open file … for writing

There are no privileges to access a file which is needed. Please check where the project folder is placed in which all the results are written. Network drives and cloud storage (e.g. OneDrive) are not recommended.

E3ee97ff0

supportReductionIntensity … is out of bounds 0-10.

Please adjust the Intensity value of the Support Reduction according to the boundaries.

E449a19a0

invalid supportReductionMode … expected off, passive, reactive or active.

Please set the Support Reduction Mode to one of the supported modes.

E4a364e88

missing / incompatible strutDensity setting for use with support avoidance.

If you are using the Support Reduction, you need to define a Strut Density.

W6e184ce8

Permanently shutting down soft symmetry because all dimensions have become unsalvagably asymmetric.

Eb20f33c1

LicenseConstraintException    failed to acquire … count … instances of … feature

A license for the GD Engine and/or the GPU calculation couldn’t be acquiered. Please check your licenses.

E0850d340

Attempted to write a checkpoint on unpaused job.

Restart file could not be written at this point in the optimisation. Please have a look at the prior error code which shows the primary reason for the failed optimisation.

E16808658

Legacy config format is disabled.

Please export the Scenario again (version 2022.1 or newer) to generate the supported json file format.

W2cc566c0

Fixed … reshaping error(s) - boundary violations … threshold exceeded …

Information message that the algorithm corrected some errors in the file. The optimisation continues as before.

E79aa1a40

Fractured design space - make sure the model consists of only a single, connected body.

Occurs mainly if no Interface is placed between Design Space and Retained Volume.

E5f09e875

RBE-tied boundary condition is missing nodes

Material connected to a RBE-Element is missing. This can occur if the fixations based on a RBE2 are free to be reduced. Disable the reduce fixation points function. This is a known limitations and will be fixed with the next version.

E6f543a5c

Cannot inflate geometry with zero vertices

This can occur to a current limitation. Please make sure that a point load or a displacement constraint on a point is not applied at the edge of an interface. Increase the Interface or change the load to a surface instead.

E6d49ffc0

Unfeasible FEM setup: Missing fixation in one or more directions

Check the model set-up. All 3 degrees of freedom have to be constraint.

E2480e78f

ressure / acceleration loads cannot be tied with RBE2/RBE3

RBE2 / RBE3 can only be used for forces or displacement constraints.

E3789b912

tool … is facing the wrong way with respect to symmetry planes. Make sure all tools draw towards the positive side of all symmetry planes

Hard symmetry is active and one draw direction is normal to the symmetry plane and redundant.

E6a85815e

RBE3 tyings cannot support fixations

RBE3 elements do not support displacement constraint. This makes the FE matrix unsolvable.

E00d7aaa4

unable to create temporary directory / file exists in its place …

File system error. Please check the path.

E5f09e875

RBE-tied boundary condition is missing nodes

RBE element lost all voxel elements. Please contact the support.

E6eb64648

build space DesignSpace_machiningCut does not exist 

The Design Space could not be created. Please check the initial geometry for faults. Set the machining allowance of interfaces to a value of 0.

E6062c240

no design space(s) specified

The Design Space could not be created or is not specified in the configuration file. Please check the initial geometry for faults. Set the machining allowance of interfaces to a value of 0.

E413ccf6b

point mass … refers to non-existing geometry …

Make sure the point mass refers to a geometry.

E72deb9d2

Using RBE2 point masses with linear-static analyses is not supported yet

RBE2 isn’t supported for static load cases / events yet. It is supported for frequency load cases / events.

E7d830f0a

Point masses without position are not supported yet

A point mass has to have a defined position.

E40a1d044

Nastran directory could not be created

Please contact the MSC support.

E56b33469

Unable to export Nastran model: Incompatible FEA setup

Please contact the MSC support.

E56b33470

Unable to export Nastran model: not enough data modes

Please contact the MSC support.

E61ad1352

NastranExport.h5 formatting error: Path << path << not found in nastran data sets

Please contact the MSC support.

E2f8f1750

Nastran requires paths to not contain space characters under GNU/Linux

Please do not use space characters in paths under Linux.

E4fb68977

symmetry not supported with frequency conditions

The hard symmetry isn’t supported for eigenfrequency optimisations.

E0b564a04

Unknown shapeQuality …

The shapeQuality name in the configuration file is unknown.

E1cb2aef0

Please use nast20233(.exe) (or the matching executable for your installed nastran version) for frequency analysis

nast20233w.exe isn’t suitable for the frequency optimisation

E26a56588

failed to execute nastran sub process

For eigenfrequency optimisations MSC Nastran is called in the background. In this case Nastran cannot be executed.

E2d0825a0

failed to run nastran successfully

For eigenfrequency optimisations MSC Nastran is called in the background. In this case Nastran cannot be executed sucessfully.

E2acb9470

mesh conversion from amendate to cgal failed

The smoothing algorithm failed. Please contact MSC support.

E2b0895a0

CgalMesh have poligones with more that three vetices

The smoothing algorithm failed. Please contact MSC support

E2b3625b0

out of bounds

The smoothing algorithm failed. Please contact MSC support

E4badd760

Requested nastran operation but did not specify nastran service. Please set env variable 'EMENDATE_SERVICE_NASTRAN' to point to your nastran binary.

If you want to execute a frequency optimisation directly in the command line, you have to set a environment variable which points to the nast20233.exe

E4badd761

envName … does not point to a regular file

Please check the environment variable for the MSC Nastran installation

Eb20f309c

OperatorFailure operator … crashed

A specific operator crashed. Please contact the MSC support.

Escalations

E45ca3ab0

W45ca3ab0

Start candidate volume far exceeds design volume - check scaling.

One reason for a large difference between the volumes is the unit system. Make sure the start space geometry is in SI units and start the optimisation anew.

E32a6e878

W32a6e878

Insufficient complexity for maxThickness. Suggested minimum complexity is …

For a chosen max. Thickness value the Complexity needs to be high enough to represent the desired structure with enough voxel elements in the background. Please increase the Complexity value or the max. Thickness value.

E293fa8dc

W293fa8dc

Invalid RBE2 constellation - overlapping nodes

Several RBE2 elements cannot be applied on the same spot for the same Event. This makes the FE matrix unsolvable.

GPU Solving CUDA Solver Warnings & Errors

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