IDEAL DEBUG command fails with :
Z00C ***** START OF IDEAL ERROR LOG ON date time *****
Z00C 1-IDADERRP99E - INTERR: Internal system error
Z00C SRVC=LOG FUNC= RC= PGM=SDBUGP 14.0 +510E (or 15.x version and offset)
Z00C CALPGM= CURACT=AE ACTTYP=U USER=zzz ERRID=
Z00C SYS=sss ENTTYP=PGM ENTNAM=xxxxxxx ENTVER=nnn ENTSTAT=yyyy
Z00C LOGMSG: SET-CMD-LINES COMMAND FAILED
Z00C ******* END OF IDEAL ERROR LOG ON date time *****
Prior DEBUG failed which left the DEBUG member in CHECKPOINT/ROLLBACK status.
Edit the DEBUG member and choose CHECKPOINT or ROLLBACK.
Or delete the member and start all over.