How to fix the Oracle error ORA-01224: group number in header string does not match GROUP string?

In this post, you’ll learn more about the Oracle ErrorORA-01224: group number in header string does not match GROUP string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01224: group number in header string does not match GROUP string

Reason for the Error ORA-01224: group number in header string does not match GROUP string

Group number specified at CREATE CONTROLFILE does not match the group number stored in the header. Most likely the specification is wrong.

How to fix the Error ORA-01224: group number in header string does not match GROUP string ?

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

Omit the GROUP option or give the correct one.