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The error "Undefined function call" occurs. An expression in the model contains an undefined function name. Check that the function name is correct and that the function is in the COMSOL Multiphysics or MATLAB®...
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The error "Out of memory during assembly" occurs. This error message indicates that your computer does not have enough RAM memory to assemble the numerical model which you are working with. There are two distinct,...
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The error "Failed to evaluate variable" occurs. An error occurred when evaluating a variable. The domains in which COMSOL Multiphysics tried to evaluate the variable are indicated. Also, the error message shows the...
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The error "Duplicate parameter/variable name" occurs. A parameter name or a variable name has at least two different definitions. For instance, the same variable name appears two or more times for a dependent variable,...
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The error "Wrong number of DOFs in linearization point" occurs. The current solution or the stored solution has for some reason the wrong number of degrees of freedom, sometimes due to a change of the implementation of...
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The error "Wrong number of DOFs in initial value" occurs. The current solution or the stored solution has for some reason the wrong number of degrees of freedom, sometimes due to a change of the implementation of...
Version: All versions - Platform: All Platforms

1181: Circular function dependency detected

The following error occurs: "Circular function dependency detected." If you get this error, functions have been defined in terms of other functions in a chain. Check the user-defined functions in the model and make...
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The following error message appears: "Invalid degree of freedom name." COMSOL does not recognize the name of a degree of freedom. Check the names of dependent variables that you have entered so that they match the...
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A "Matrix has zero on diagonal" error occurs. When the equations have a structure such that the stiffness matrix (Jacobian matrix) has zeros on the diagonal, it is not possible to use the following linear system...
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COMSOL Multiphysics crashes when I try to access the documentation on my Linux Machine. With the release of COMSOL Multiphysics 5.4, the documentation will automatically be opened in an external web browser if ...
Version: All versions - Platform: Linux