Hallo,
hier die Lösung:

Message CPF9801 is issued when attempting to add or remove a directory for object QNNDIXIT.

Resolution:
Remove the exit program from the QIBM_QAOK_NOTIFY and QIBM_QAOK_VERIFY. Then, to add or delete the user profile, do the following:

1 On the IBM OS/400 command line, type the following:

WRKREGINF

Press the Enter key.
2 Type 8 next to QIBM_QOK_VERIFY.
3 Select Option 4 to remove QNNDIXIT.
4 Type 8 next to QIBM_QOK_NOTIFY.
5 Select Option 4 to remove QNNDIXIT.