E5090 Cmd Rej: RSLS8 is valid only if ISLSBR Feature is enabled
The SLS Bit Rotation (ISLSBR) feature must be enabled before the rsls8 parameter can be specified.
Recovery
Display the status of the ISLSBR feature. Enter the rtrv-ctrl-feat command.
If the feature does not appear in the output, then the feature is not enabled. If the feature has a status of OFF, then the feature is enabled but is not turned on.
Enable the ISLSBR feature as necessary. Refer to the Database Administration - SS7 User's Guide for assistance.
Re-enter the chg-lsopts command that generated this error message.