E3870 Cmd Rej: GTT must be ON before VGTT can be ON

The Global Title Translation (GTT ) feature must be turned on before the Variable Length GTT (VGTT) 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 GTT feature. Enter the rtrv-feat command.
2. Turn on the GTT feature as necessary. Refer to the Database Administration - GTT User's Guide for assistance.
3. Re-enter the chg-feat command that generated this error message.
4. Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).