The following is the ORA-16778 error message, you can learn the cause and solution of the Oracle database error.
ORA-16778 The log transport service for some site has an error
Cause: Some problem in communicating with a standby site causes the log transport to fail.
Solution: Check the Data Guard console log and Oracle Alert log for further details. Query the LogXptStatus property to see the error message.
Please wait for the update…