ORA-31405

Error: ORA-31405: cannot make changes while change set string is advancing

Causa: The change set is currently advancing. Change sources related to an advancing change set cannot be altered. Change tables related to the advancing change set cannot be created, altered, or dropped. Some or all of the parameters of the change set cannot be altered while the set is advancing.

Acción: Wait until the change set has finished advancing, then reissue the command. If altering the change set, only the advance_enable parameter can be altered during an advance.