How to fix the Oracle error ORA-19881: Corrupted space bitmap for datafile string, block string?

In this post, you’ll learn more about the Oracle ErrorORA-19881: Corrupted space bitmap for datafile string, block string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19881: Corrupted space bitmap for datafile string, block string

Reason for the Error ORA-19881: Corrupted space bitmap for datafile string, block string

When reading a space bitmap block to use Unused Block Optimization for the backup of the datafile, the space bitmap block had corrupted information.

How to fix the Error ORA-19881: Corrupted space bitmap for datafile string, block string ?

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

The corrupt space bitmap must be fixed before Unused Block Optimization can be used for this file. Note that you should fix the corruption in any case because it will affect the availability of the data in the file, beyond just taking backups.