How to fix the Oracle error NID-00138: Block verification failed for datafile string (number)?

In this post, you’ll learn more about the Oracle ErrorNID-00138: Block verification failed for datafile string (number) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NID-00138: Block verification failed for datafile string (number)

Reason for the Error NID-00138: Block verification failed for datafile string (number)

Block header checksum yields a nonzero value for the specified datafile.

How to fix the Error NID-00138: Block verification failed for datafile string (number) ?

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

Verify that the datafile is correct and retry the operation.