Compiler Error C0046
Message: Identifier '<identifier name>' not defined
Possible error cause: An identifier is used that is not declared.
Error correction: Declare the variables that you want to use.
Example 345. Example of the error:
PROGRAM PLC_PRG VAR END_VAR i := 1;
Message:
C0018: 'i' is no valid assignment target
C0046: Identifier 'i' not defined
Error correction:
VAR i : INT; END_VAR