Oracle Solution for Error ora-19880

ORA-19880: Corrupted space header for datafile string, block string

What triggered the Error:

en reading the space header block to use Unused Block Optimization for the backup of the datafile, the space header block had corrupted information.

What should we do to fix it:

e corrupt space header 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.