E2498 Cmd Rej: Last entry in given SR is ref'ed by another screen

The specified screening reference contains only one entry. If this screening reference is referenced by another screen, it cannot be deleted.

Recovery

1. Determine which screen is referencing the specified screening reference. Enter the rtrv- command associated with the command that generated this error message. For example, if the dlt-scr-aftpc command generated the error message, then enter the rtrv-scr-aftpc command.
2. Revise the parameter values as necessary. Refer to Database Administration - GWS User's Guide for assistance.
3. Re-enter the command that generated this error message.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).