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REP-56112: Failed to create a backup of the damaged persist file: {0}

Cause:  

The persist file is damaged. Reports Server encountered an error while creating a backup.

Action:  

You should rename the file manually and then restart the Reports Server. Please resubmit all current and scheduled jobs as all information about past, current & scheduled jobs will be lost.

Note:  For help on other error messages, see Finding error message help.