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If you had already created a variable by double clicking on the pin, it may have created a variable of ARRAY [1..2] OF INT type. This is what is created by default. Since the PARA pin is of the ANY ARRAY variety, it inherits the properties of the first variable assigned. One this occurs, you must delete the PID_INT block entirely and insert a new one, then assign the ARRAY[1..43] OF INT variable.