Compiler Error C0091
Message: Recursion in base function block list: <function name>
Possible error cause: A base function block is extended by itself.
Error correction: Recursion in base function block lists is not possible.
Example 374. Example of the error:
PROGRAM PLC_PRG VAR inst : FB; END_VAR FUNCTION_BLOCK FB EXTENDS FB VAR END_VAR
Message:
C0091: Recursion in base function block list: FB -> FB