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Custom Web Part Problem After SharePoint Restore

Posted By:      Posted Date: September 01, 2010    Points: 0   Category :SharePoint
 
Hi, I've recently moved our sharepoint site and databases (using Microsoft Internal Database) to another standalone server. I did a catastrophic backup and then restored it on the destination server successfully via the central Administration page. I have also copied our custom web part library dll to 'c:\windows\assembly' directory and 'C:\Inetpub\wwwroot\wss\VirtualDirectories\80\bin' directory. I also copied over the old web.config file to 'C:\Inetpub\wwwroot\wss\VirtualDirectories\80'. However, I still seem to be missing something as I get the error below while loading the site. I haven't been able to find a solution so hoping someone has seen it before here. Has anyone seen this happen before? Any advice/help would be greatly appreciated. Many thanks. Mehds ERROR====================================================================================================== The “webpartname” web part appears to be causing a problem. Object reference not set to an instance of an object.  Web parts maintenance page: if you have permission, you can use this page to temporarily close web parts or remove personal settings. For more information, contact you site administrator. ==========================================================================================================


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