System.invalidoperationexception columns associated with mappings have been deleted or renamed error in Linq to SharePoint

System.invalidoperationexception columns associated with mappings have been deleted or renamed error in Linq to SharePoint
InfoPath alternatives for form designing SharePoint

In this post we will discuss how to resolve one issue which comes when we work with Linq to SharePoint 2016. Recently while working with Linq to SharePoint I got the error as like below:

{System.InvalidOperationException: Columns associated with mappings have been deleted/renamed.
at Microsoft.SharePoint.Linq.EntityTracker.ValidateMapping()
at Microsoft.SharePoint.Linq.EntityTracker.SubmitChanges(ConflictMode failureMode, Boolean systemUpdate)
at Microsoft.SharePoint.Linq.DataContext.SubmitChanges(ConflictMode failureMode, Boolean systemUpdate)
at Microsoft.SharePoint.Linq.DataContext.SubmitChanges()
at LinqDemo.LinqtoSharePointDemo.LinqtoSharePointDemoUserControl.btnAdd_Click(Object sender, EventArgs e)
at System.Web.UI.WebControls.Button.OnClick(EventArgs e)
at System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)}

System.invalidoperationexception columns associated with mappings have been deleted or renamed error in Linq to SharePoint

System.invalidoperationexception columns associated with mappings have been deleted or renamed error in Linq to SharePointAlso, you can read:
– Steps to add custom Tile to Office 365 App Launcher

– Create a web application using PowerShell in SharePoint 2013

– How to change the Nintex Forms header banner in SharePoint Online Office 365?

Solution:
The error is related to the columns for the particular list you are working on. Verify the list column names carefully.

In my case, I was adding to a different list and I was assigned to different fields.

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About Bijay Kumar

I am Bijay from Odisha, India. Currently working in my own venture TSInfo Technologies in Bangalore, India. I am Microsoft Office Servers and Services (SharePoint) MVP (5 times). I works in SharePoint 2016/2013/2010, SharePoint Online Office 365 etc. Check out My MVP Profile.. I also run popular SharePoint web site SharePointSky.com

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