The error message

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This error message can occur when your model is operated through expressions or code. (using the programmable controller or function base circuits). The function expressions and the code require a certain language/expression. If this does not match the language used by the software, or if there are programming mistakes, Hysopt can not read the language and will note this fault.

Solving this error can get very complicated, as the solution may be as simple as a missing bracket or “;”. You can use programs like Notepad++ to help you. Be sure to read the pages linked to help you out.