We're getting an error in our workflow:
Failed to start workflow. Workflow type 'List' is not recognized in this environment.
Parameter name: type
ULS isn't very helpful either:
Microsoft.SharePoint.SPException: Cannot find history for workflow with instanceId 23080452-5ae0-4552-ac5c-ee17978d64b1. It may have been removed from the database.
at Nintex.Workflow.ApplicationPages.Preview.Page_Load(Object sender, EventArgs e)
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.OnLoad(EventArgs e)
at Microsoft.SharePoint.WebControls.LayoutsPageBase.OnLoad(EventArgs e)
at Nintex.Workflow.ServerControls.NintexLayoutsBase.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoin