E4545 Cmd Rej: IDP Screening for Prepaid feature must be ON when SERV=IDPS
The IDP Screening for Prepaid feature must be turned on before the (n)serv=idps parameter can be specified.
Recovery
Display the status of the IDP Screening for Prepaid 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 IDP Screening for Prepaid feature if necessary. Refer to the IDP-Related Features User's Guide for assistance.
Re-enter the ent/chg-srvsel command that generated this error message