Error while Restoring Farm

hi,

i am getting the below error when i am trying to restore the farm.

Object WSS_Content  failed in event OnRestore. For more information, see the spbackup.log or sprestore.log file located in the backup directory. 
SqlException: The operation did not proceed far enough to allow RESTART. Reissue the statement without the RESTART qualifier. 
RESTORE DATABASE is terminating abnormally.

Thanks

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sal