Compiler Error C0145

Message: Interfaces can only be implemented by function blocks

Possible error cause: An attempt is made to implement an interface outside of a function block.

Error correction: Implement interfaces only in function blocks.

Example of the error:

PROGRAM MAIN
VAR
END_VAR

POU();

FUNCTION POU IMPLEMENTS ITF
VAR
END_VAR

Message:

C0145: Interfaces can only be implemented by function blocks