I am trying to get my Webpack project to have a source map file.
I finally got the settings right so that it would do that, but now I am getting this error:
It's possible that some chrome extensions are messing with DevTools.
Perhaps, you could try disabling the ones you do not need for your particular app and see if that "fixes" the problem.
Above is the approach that worked for me but I'm not really sure why it does.