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Workflow status page "unknown Error"

Posted By:      Posted Date: September 20, 2010    Points: 0   Category :SharePoint
 
Hi ,

  Since two days I am facing weired error from simple workflow. I have created a simple infopath form and WF (in SPD). Workflow starts normally and ends also. But when I click the status link "completed" it just throws an 'unknown error' page. It used to work few days back and suddenly stopped. I canno't see the the log or any status. Other workflows in other site collections work fine.  

The link to the page is :http://servername/_layouts/WrkStat.aspx?List={656C7595-C056-483A-8058-C2402BC78B9C}&WorkflowInstanceID={8ac46ac9-aae0-434d-a3ea-f8125f08df96}

Checking the moss log I found :

Exception Type: System.NullReferenceException Exception Message: Object reference not set to an instance of an object

Any help ??

Thanks


himanshu


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