How to fix the Oracle error ORA-19882: datafile string checkpoint string is ahead of space bitmap datafile string checkpoint string?

In this post, you’ll learn more about the Oracle ErrorORA-19882: datafile string checkpoint string is ahead of space bitmap datafile string checkpoint string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19882: datafile string checkpoint string is ahead of space bitmap datafile string checkpoint string

Reason for the Error ORA-19882: datafile string checkpoint string is ahead of space bitmap datafile string checkpoint string

When checkpointing the datafile containing the space bitmaps for the datafile being backed up in order to use Unused Block Optimization, the checkpoint of the datafile containing the space bitmaps did not advance.

How to fix the Error ORA-19882: datafile string checkpoint string is ahead of space bitmap datafile string checkpoint string ?

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

Examine the trace and alert files for possible causes. Fix underlying problem to use Unused Block Optimization for datafile’s backup.