Compiler error C0022

Message: '<operator>' needs exactly '<number of operands>' operands

Possible error cause: Too many or too few operands are assigned to an operator.

Error correction: Assign the required number of operands to the operator.

Example of the error:

PROGRAM PLC_PRG
VAR
	i : INT;
	pt: POINTER TO INT;
END_VAR

pt := ADR(i,1);

--> C0022: 'ADR' needs exactly '1' operands

Error correction:

Example:
pt := ADR(i);