MPLIR05543I LIST input to long.

A GET or PUT LIST directed statement has exceeded the maximum size allowed. (32767 for SBCS, 65535 for DBCS).
Resolution:
Correct the logical error and run again. PL/I RTS #fileio ctf tracing may provide you with additional information as to the root cause.
Module:
pcatc.c, din.pl1, lin,pl1, lout.pl1