The following is the ORA-22294 error message, you can learn the cause and solution of the Oracle database error.
ORA-22294 cannot update a LOB opened in read-only mode
Cause: An attempt was made to write to or update a LOB opened in read-only mode.
Solution: Close the LOB and reopen it in read-write mode before attempting to write to or update the LOB.
Please wait for the update…