E4569 Cmd Rej: Cannot delete loopset when in use by GTT

A loopset entry that is being referenced by the GTT feature cannot be deleted.

Recovery

1. Determine the status of the GTT references. Enter the rtrv-gtt command.
2. Change the loopset references as desired. Refer to the Database Administration - GTT User's Guide for assistance.
3. Re-enter the dlt-loopset command that generated this error message.
   Contact My Oracle Support if this error message apepars