E3646 Cmd Rej: GWS must be ON before CNCF can be ON

The Gateway Screening (GWS) feature must be turned on before he CNCF feature can be turned on.

Note:

Once a feature that is controlled using a feature bit has been turned on, it cannot be turned off.

Recovery

1. Display the status of the GWS feature. Enter the rtrv-feat command.
2. Turn on the GWS feature if necessary. Refer to the Database Administration - GWS User's Guide for assistance.
3. Re-enter the chg-feat command that generated this error message.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).