ORA-16107 Error Code Description:

Error	ORA-16107
Description	all log data from primary has been processed
Cause	On the primary system, the log stream has been ended by the ALTER DATABASE COMMIT TO SWITCHOVER TO LOGICAL STANDBY command.
Action	Issue one of the following commands to make this standby a primary or resume applying changes from a new primary. ALTER DATABASE COMMIT TO SWITCHOVER TO LOGICAL PRIMARY; ALTER DATABASE START LOGICAL STANDBY APPLY NEW PRIMARY dblink;