Support Knowledge Base

Error: Please close the COMSOL window in SOLIDWORKS before synchronizing the geometry

Solution Number: 1279 Applies to: LiveLink for SOLIDWORKS Versions: 5.5

When I try to synchronize the geometry between COMSOL and SOLIDWORKS, the error message Please close the COMSOL window in SOLIDWORKS before synchronizing the geometry. is displayed. This error may occur sometimes ...

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McAfee antivirus removes file from COMSOL installation

Solution Number: 1278 Versions: 5.5, 5.4, 5.3a, 5.3, 5.2a, 5.2

After a recent update of the McAfee antivirus software, it flags a COMSOL file as a dangerous file and removes it, leaving COMSOL in a broken state. When trying to launch COMSOL, I get an error saying: Could not find ...

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Unexpected error on startup of COMSOL pointing to "Could not load file or assembly 'cstextrenderer_wpf"

Solution Number: 1274 Applies to: COMSOL Multiphysics Versions: 5.5

After installing COMSOL Multiphysics, I receive an unexpected error when launching it. Looking in the log file, it points to an issue with cstextrenderer_wpf as per below 2020-01-08T13:52:42.170+01:00 Could not load ...

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"Data access entity removed" occurs in my application

Solution Number: 1247 Versions: 5.4, 5.5

When running my application, I get the error "Data access entity removed". If a node is removed, Data Access to the node becomes invalidated. In general this error occurs if nodes used in Data Access are explicitly ...

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Solution number is out of range

Solution Number: 1249 Applies to: COMSOL Multiphysics Versions: 5.3a

You compute a distributed parametric sweep on a cluster. When processing the results some values are missing or you get errors such as "The solution number is invalid" or "Solution number is out of range". This issue ...

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Out of Memory

Solution Number: 1243 Versions: All versions

The error "Out of Memory" occurs. Of the available memory (RAM and virtual memory), one section, the Java heap, is reserved for Java. The rest of the memory will be available for meshing and solving. If you receive the ...

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Unexpected error thrown by the Method Editor

Solution Number: 1242 Applies to: COMSOL Multiphysics, COMSOL Server Versions: All versions

I run COMSOL Multiphysics on Windows 7. When trying to access the Method Editor in the Application Builder, I get an unexpected error. When opening the log file, the top of the stack trace looks like this: 2018-01 ...

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Running Client-Server consumes too many licenses or gives an error message

Solution Number: 1241 Applies to: COMSOL Multiphysics Versions: 5.3a

I am having problems running COMSOL Multiphysics 5.3a in Client-Server mode. The issue manifests itself in two different ways. If you are using a multi-seat Floating Network License (FNL), you may notice from the ...

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An error is returned when running mphlaunch and mphstart

Solution Number: 1234 Versions: 5.3

If the COMSOL installation path contains a space, an error is returned when running the functions mphstart and mphlaunch at the MATLAB prompt. The error returned when running mphlaunch is: 'C:\Program' is not ...

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Undefined variable

Solution Number: 1204 Versions: All versions

The following error occurs: "Undefined variable." This error indicates that a variable used in some setting is undefined. It might be a spelling error, or a name of a variable that has not been defined or that is not ...

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