E5120 Cmd Rej: GTT Action-DUPLICATE Feature must be enabled

The GTT Action - DUPLICATE feature must be enabled before the act=dup parameter can be specified.

Recovery

1. Display the status of the GTT Action - DUPLICATE 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.
2. Enable the feature as necessary. Refer to the Database Administration - GTT User's Guide for assistance.
3. Re-enter the ent/chg/rtrv-gttact command that generated this error message.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).