TF401189: The source branch has been modified since the last merge attempt


If you are using Visual Studio Online and setup your project using TFS doing a code review is straightforward in visual studio.

However ff you are using Visual Studio Online and setup your project Git you might wonder how you can conduct a code review. You may do a quick search and then try ‘new pull request’ . You might get a weird error message you don’t understand.

TF401189: The source branch has been modified since the last merge attempt

Then you do another search (bing or google) you won’t find anything useful.

After trial and error I found that the root cause is that I didn’t use a topic branch. It is that simple.

http://paullou.com/2016/02/20/tf401189-the-source-branch-has-been-modified-since-the-last-merge-attempt/

Comments (0)

Skip to main content