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Compiler error C0072dl-permalink__symbolPermalink

Message: Operator <operator name>' is not possible on type '<data type>'

Possible error cause: An operator is applied to an incompatible type.

Error correction: Apply operators only on compatible types.

Example of the error:

PROGRAM PLC_PRG
VAR
	i : INT;
	str : STRING;
END_VAR

str := ABS(str);


--> C0072: Operator 'Abs' is not possible on type 'STRING'

Error correction:

Example:
i := ABS(i);