"an incompatible media recovery is active"
*Cause: Attempted to start an incompatible media recovery or open resetlogs
during media recovery or RMAN backup . Media recovery sessions
are incompatible if they attempt to recover the same data file.
Incomplete media recovery or open resetlogs is incompatible with
any media recovery. Backup or restore by RMAN is incompatible
with open resetlogs
*Action: Complete or cancel the other media recovery session or RMAN backup