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• Semantic Error (SEM1115, SEM1116): The function block '...' does not have an output/input parameter with the name '...'.

Semantic Error (SEM1115, SEM1116): The function block '...' does not have an output/input parameter with the name '...'.

In a textual code worksheet, a function or function block is called with a formal parameter which does not exist in the called POU. The entire function/FB call is underlined in the code. Check all formal parameters and correct wrong spelling/parameters.

For user-defined FUs/FBs, this may be expected if the appropriate variable has not yet been declared as 'Usage' = Input (IEC 61131-3 keyword VAR_INPUT) or Output ( or VAR_OUTPUT) or if the formal parameter name has been changed meanwhile.