NAV 2013 Report Error

hi
i am getting this error at the time of preview the report.

Microsoft Dynamics NAV

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An error occurred when loading the Report Print Preview window: The definition of the report '' is invalid.

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OK

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i am running standard report of NAV2013
Only manufacturing Dept. report are getting this Error.
All other report are working fine.
i dont know whats wrong that. ](*,)


Please Help.
Waiting for your valuable reply

Thanks in Advance.

Amol Bhad