In this post, you’ll learn more about the Oracle ErrorORA-19674: file string is already being backed up with proxy copy with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-19674: file string is already being backed up with proxy copy
Reason for the Error ORA-19674: file string is already being backed up with proxy copy
Recovery manager attempted to back up the specified file with proxy copy, but the file is already being backed up by another recovery manager job.
How to fix the Error ORA-19674: file string is already being backed up with proxy copy ?
You can fix this error in Oracle by following the below steps
Wait until the other recovery manager backup of this file is complete, then retry the backup.