Oracle Solution for Error ora-12056

ORA-12056: invalid REFRESH method

What triggered the Error:

The NEVER REFRESH option may not be used under the following conditions: ** The materialized view is updatabl. ** The materialized view refreshes ON COMMI. ** Automatic refresh options are specifie.

What should we do to fix it:

For updatable materialized views, reissue the SQL command using REFRESH FORCE, REFRESH FAST, or REFRESH COMPLETE. For read-only materialized views, reissue the SQL command using ON DEMAND.