I am unable to view the version history of any items in a list in SharePoint 2010 farm. It is throwing Null reference error when I try to view the item's version history. It was visible until August. No patching / changes done on the site.

Error message :

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

Please let me know if there is a solution to resolve this issue.

  • show your code as well Dec 27 '16 at 14:14
  • Is it happening only for 1 list ? or all list/document in sites ? did you try to create new list and enabled version history and make some edits there and check if it is working..! Dec 27 '16 at 16:06
  • it is happening for 1 list. I am able to view the version history for other lists. Also version history is working as expected for the new lists too.
    – Vishal
    Mar 6 '17 at 19:00

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