MFPLI00568S Argument number 1 to insert-name QUICKSORT or QUICKSORTX must be a one-dimensional array of computational type, POINTER, or ORDINAL.

The first argument to QUICKSORT or QUICKSORTX must an array of computational type, POINTER, or ORDINAL.!
Resolution:
Supply a suitable argument.
Module:
PRCSCALL.PL1