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 definition. Check that the definition is correct, and if it uses user-defined parameters and variables, check that they are defined with the exact same names and that they are valid in the part of the geometry where the error occurred. You can use the Find dialog box (Ctrl+F) to search the model tree for the name of the variable that was not possible to evaluate.
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