Skip to main content
Search Again

We think these articles could help you:

    See More
    Nintex Knowledge Base

    Error "Error Occurred. Unable to preview workflow" Viewing Workflow History

    Status: Validated

    ISSUE
    When viewing the workflow history graphical diagram (/WorkflowLog.aspx) of an item, the following error might occur:

    Error Occurred. Unable to preview workflow
    ERROR CODE
    RESOLUTION
    1. Back up the Workflow definition.
    2. In the published Workflow definition, locate and delete any disabled action.
    3. Save and publish the Workflow.
    4. Create an item and run a workflow instance against that same item.
    5. Upon workflow completion, navigate to that item’s workflow history, the graphical diagram (the link “”).
    ADDITIONAL INFORMATION
    RELATED LINKS