Job Log Display Error

I´m tryingto see why my backup failed, but when I try to open teh Job Log I get an erro messsage that I attached wit a screenshoot.

It shows the messsage:

One or more errors were encountered converting the job log into a web page for display. The job log will be dispalyed in text format.

Catastrophic failure.

 583574 C:\Program Files\Symantec\Backup Exec\data\BEX_MRMSERVER2_00378.xml

Any idea which colud be the problem?

Thanks.