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1203: Failed to evaluate variable

The following error occurs: "Failed to evaluate variable." This error message indicates that it is not possible to evaluate a variable used in some setting. In the Error window you can find the variable's name and its...
Version: All versions - Platform:

1202: Failed to evaluate variable Jacobian

The error "Failed to evaluate variable Jacobian" occurs An error occurred when evaluating the Jacobian matrix of the indicated variable. The domains in which COMSOL Multiphysics tried to evaluate the variable are...
Version: All versions - Platform: All Platforms

1201: Error when adding thermodynamics package: An unexpected error...

When I select Global->Definitions->Functions->Thermodynamics->Thermodynamics Package in COMSOL Multiphysics 5.0, the following error message occurs: Error: An unexpected error occurred. See log file for...
Version: 5.0 - Platform:

1200: Internal error: Cannot convert ElemStruct to double

I use COMSOL 5.0 on Windows and get the following error message: Internal error: Cannot convert ElemStruct to double This error seems to come from the usage of a comma as the decimal symbol. To fix this, go to the...
Version: 5.0 - Platform: Windows

1199: 'Command not found' or 'No such file or directory' error when...

When I try to start the license manager for COMSOL 5.0, or later, on my Linux distribution I get an error message saying: ./lmgrd: Command not found. or ./lmgrd: No such file or directory Starting from version 5.0 of...
Version: 5.0,5.1,5.2,5.2a - Platform: Linux

1198: Dongle issue in COMSOL 5.0: License error -9 Invalid host

My license file is locked to a dongle. When I try to start COMSOL Multiphysics 5.0, the following error message occurs: Could not obtain license for COMSOL Multiphysics GUI License error -9 Invalid host. The hostid of...
Version: 5.0 - Platform: Windows

1197: The COMSOL Desktop GUI crashes on Red Hat Enterprise Linux 6.6

The COMSOL Desktop GUI crashes after a few seconds after I start it on my Red Hat Enterprise Linux 6.6 machine. The error message says: comsollauncher: cairo-misc.c:380: _cairo_operator_bounded_by_source: Assertion...
Version: 4.4,5.0 - Platform: Linux

1195: License error

A "License error" occurs. These are the most common reasons for this error message: The license file license.dat has been removed from the right directory in the COMSOL software installation. The license.dat file...
Version: All versions - Platform: All Platforms

1193: Maximum number of linear iterations reached

An error "Maximum number of linear iterations reached" occurs. If you get this error, the iterative linear system solver did not converge due to a bad initial guess or a bad preconditioner. To avoid the error, increase...
Version: All versions - Platform: All Platforms

1192: Initial guess leads to undefined function value

An error "Initial guess leads to undefined function value" occurs. This error message usually appears when you have set up an expression that returns “not a value”; that is, it is undefined for the initial...
Version: All versions - Platform: All Platforms