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Compiler error C0175dl-permalink__symbolPermalink

Message: 'RETAIN' or 'PERSISTENT' not allowed in this place

Possible error cause: 'RETAIN' or 'PERSISTENT' is used in a function.

Error correction: Use 'RETAIN' or 'PERSISTENT' at the intended locations.

Example of the error:

PROGRAM PLC_PRG
VAR	
END_VAR

POU_1();

FUNCTION POU_1 
VAR RETAIN
END_VAR

--> C0175: 'RETAIN' or 'PERSISTENT' not allowed in this place