How to fix the Oracle error ORA-06431: ssaio: Invalid Block number?

In this post, you’ll learn more about the Oracle ErrorORA-06431: ssaio: Invalid Block number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06431: ssaio: Invalid Block number

Reason for the Error ORA-06431: ssaio: Invalid Block number

The file block number is out of range of the file. The additional information returns the block number.

How to fix the Error ORA-06431: ssaio: Invalid Block number ?

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

Verify that the block number is correct. Run dbfsize and check if the block number is in that range. Contact your Oracle Customer Support Representative.