In this post, you’ll learn more about the Oracle ErrorORA-16777: unable to find the destination entry of a standby database in V$ARCHIVE_DEST with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-16777: unable to find the destination entry of a standby database in V$ARCHIVE_DEST
Reason for the Error ORA-16777: unable to find the destination entry of a standby database in V$ARCHIVE_DEST
Either a destination was manually deleted or no entry was available for Data Guard.
How to fix the Error ORA-16777: unable to find the destination entry of a standby database in V$ARCHIVE_DEST ?
You can fix this error in Oracle by following the below steps
Check the Data Guard broker log and the Oracle alert log for more details. The redo transport service may need to be reset.