DGM-17515
The Oracle ASM alias of data file string is not in the expected location.
Cause
In order to reuse the standby database data files during the migration of a pluggable database, the data file should have no Oracle Automatic Storage Management (Oracle ASM) alias, or have its alias located in <DB_UNIQUE_NAME>/GUID of pluggable database/DATAFILE.
Action
Remove the Oracle ASM alias of the specified data file and issue the command again.