VALUE(I_PLEVEL) LIKE UPC_PLEVEL-PLEVEL
VALUE(I_PLEVEL) LIKE UPC_PLEVEL-PLEVEL OPTIONAL
VALUE(PLEVEL) TYPE UPC_PLEVEL-PLEVEL OPTIONAL
REFERENCE(I_PLEVEL) LIKE UPC_PLEVEL-PLEVEL
VALUE(I_PLEVEL) TYPE UPC_PLEVEL-PLEVEL
VALUE(IM_PLEVEL) TYPE UPC_PLEVEL-PLEVEL