How to fix the Oracle error ORA-30431: refresh method must be ANY or INCREMENTAL or FORCE_FULL, not string?

In this post, you’ll learn more about the Oracle ErrorORA-30431: refresh method must be ANY or INCREMENTAL or FORCE_FULL, not string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30431: refresh method must be ANY or INCREMENTAL or FORCE_FULL, not string

Reason for the Error ORA-30431: refresh method must be ANY or INCREMENTAL or FORCE_FULL, not string

An invalid refresh method was specified

How to fix the Error ORA-30431: refresh method must be ANY or INCREMENTAL or FORCE_FULL, not string ?

You can fix this error in Oracle by following the below steps

Verify that the refresh method is one of ‘ANY’ or ‘INCREMENTAL’ or ‘FORCE_FULL’