ISSUEWhen viewing the workflow history graphical diagram (/WorkflowLog.aspx) of an item, the following error might occur:
Error Occurred. Unable to preview workflow
- Back up the Workflow definition.
- In the published Workflow definition, locate and delete any disabled action.
- Save and publish the Workflow.
- Create an item and run a workflow instance against that same item.
- Upon workflow completion, navigate to that item’s workflow history, the graphical diagram (the link “”).