ALTER DATABASE PROPERTY SET SYNC_ERROR_HANDLER = 'sys.fn_error_handler';

• Below are the errors handled during sync in Application PDB / Entity PDB:

  Oracle Docs	-	-
  Oracle Error	Cause	Action
  ORA-24344	A sql/plsql compilation error occurred.	Return OCI_SUCCESS_WITH_INFO along with the error code
  ORA-06512	Backtrace message as the stack is unwound by unhandled exceptions.	Fix the problem causing the exception or write an exception handler for this condition. Or you may need to contact your application administrator or DBA
  ORA-65297	An operation was attempted that can only be performed outside an application action (install, uninstall, upgrade, or patch)	Perform the operation outside an application action.
  ORA-65274	An operation was attempted that can only be performed in an application action (install, uninstall, upgrade, or patch).	Begin an application action.
  ORA-00001	An UPDATE or INSERT statement attempted to insert a duplicate key. For Trusted Oracle configured in DBMS MAC mode, you may see this message if a duplicate entry exists at a different level	Either remove the unique restriction or do not insert the key
  ORA-01430	An ALTER TABLE ADD statement specified the name of a column that is already in the table. All column names must be unique within a table.	Specify a unique name for the new column, then re-execute the statement
  ORA-02264	The specified constraint name has to be unique.	Specify a unique constraint name for the constraint
  ORA-01434	A DROP SYNONYM statement specified a synonym that does not exist. Existing synonym names may be listed by querying the data dictionary.	Specify the name of an existing synonym in the DROP SYNONYM statement.
  ORA-00955	An attempt was made to create a database object (such as a table, view, cluster, index, or synonym) that already exists. A user's database objects must have distinct names.	Enter a unique name for the database object or modify or drop the existing object so it can be reused.
  ORA-06550	Usually a PL/SQL compilation error.	None
  ORA-04063	Cause: Attempt to execute a stored procedure or use a view that has errors. For stored procedures, the problem could be syntax errors or references to other, non-existent procedures. For views, the problem could be a reference in the view's defining query to a non-existent table. Can also be a table which has references to non-existent or inaccessible types.	Fix the errors and/or create referenced objects as necessary.