OCI-00760
Nonexistent data file, "file" included in the current container.
- file: The name or number of a data file, specified by the user in the ALTER DATABASE command, that is having its lost write protection state changed.
Cause
Attempted to use ALTER DATABASE to modify lost write protection of a data file failed because the specified file is not known to the database's control file or the current container is not of a type supported by the request.
Action
Specify the name or number of an existing file of the correct type. Check the DBA_DATA_FILES view for a list of possible files.