take a look at the "ND313_Doors.pas" in your OpenSource Folder.
There is a part like this:
DoorOpen_0 := Door_1_1_Pos > 0.8;
DoorOpen_1 := Door_1_2_Pos > 0.8;
DoorOpen_2 := Door_2_1_Pos > 0.8;
DoorOpen_3 := Door_3_1_Pos > 0.8;
But you need to declare this variables in "ND313.pas" like this:
DoorOpen_0: boolean;
DoorOpen_1: boolean;
DoorOpen_2: boolean;
DoorOpen_3: boolean;
DoorReqIn_2: boolean;
DoorReqIn_3: boolean;