Getting System.Tuple 3 error when Submitting the workflow after migration from 2010 to 2013. In SharePoint 2013 environment we are using 2010 workflows. These workflows were developed by using Visual studio 2012. we have installed the nugget packages dllproperly.

But when started the workflow getting the below error.

Workflow terminated with error: Method not found: 'System.Tuple`3 Business.Workflow.WorkflowHelper.SetAssignTo(Microsoft.SharePoint.SPWeb, Microsoft.SharePoint.SPGroup)'.

This solution is working properly in SharePoint 2010, but not working in SharePoint 2013, have put the debug on the setAssignedto method to but it's not hitting at VS.

As analyzed we understood the problem with the js file, After debug in the browser we got the error message xData.responseXML is undefined and itemCount variable is showing as undefined. We are using jquery1.11.1.min.js file. enter image description here

Please let me why the xData.responseXML is showing as undefined and how to resolve the issue of System.Tuple3 error.

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