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Intermittent Designer Workflow Failures – Unable to execute query: Error 0x81020014

The past 3 weeks I have monitored another intermittent issue that is comically difficult to troubleshoot, this time related to the workflow infrastructure. End users report that list items fail to either create or copy between lists as expected (and defined in the business process workflows). I eventually opened a Microsoft Premier support case to sort…

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Exception from HRESULT: 0x80131904 (Column Index Issue)

A frequently-accessed production list suddenly started exhibiting strange behaviors as users (and automated workflows!) attempted to edit existing items. Users could add new items and delete existing items from the list without issue, using both datasheet views and the list forms. However, if users tried to update existing items (evenly a newly created item), SharePoint…