How to fix the Oracle error NID-00129: Invalid DBID for datafile “string”, expecting number, found number?

In this post, you’ll learn more about the Oracle ErrorNID-00129: Invalid DBID for datafile “string”, expecting number, found number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NID-00129: Invalid DBID for datafile “string”, expecting number, found number

Reason for the Error NID-00129: Invalid DBID for datafile “string”, expecting number, found number

A datafile header shows a different DBID from the rest of the database files.

How to fix the Error NID-00129: Invalid DBID for datafile “string”, expecting number, found number ?

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

Ensure that the file belongs to this database.