E4988 Cmd Rej: TIF SCS Forwarding feature must be ON
The TIF SCS Forwarding feature must be turned on before an Action Set containing the FWDSCS Service Action can be specified as a value for the asn parameter.
Recovery
Display the status of the TIF SCS Forwarding 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 and turn on the TIF SCS Forwarding feature if necessary. Refer to the TIF User's Guide for assistance.
Re-enter the ent/chg-npp-srs command that generated this error message.