User sees this message intermittently on his TSO session while performing some actions in Endevor.
MIM 4012 INVALD CLOSE PARAMETER LIST IN PROGRAME C1SF2000
This message is appearing for several C1SF* programs.
MIM 4012 INVALD OPEN PARAMETER LIST IN PROGRAME IGYCRCTX
for the IBM COBOL compiler.
The messages started after after MIM PTF SO12844 was applied.
SO12844 changes the way storage associated with the oPEN/CLOSE parameter list is checked.
Release : 12.5
Component : MIM
PTF SO15800 corrects the problem.
Issue F MIM,SET EDIF PLISTMSG=NO to prevent the messages.
Once the PTF is applied, change SET EDIF PLISTMSG=YES to confirm the messages have gone away.