Board Thread:Support Requests - Getting Technical/@comment-28398720-20160915104153/@comment-28398720-20160923122846

Second thing worked for me. Although there is no abort button for those using source editor by default, but you only seem to need the first part, closing the tab or going back seem todo the trick just as well.

And yes if the above fails, make sure to hit Ctrl+F5 or whatever your device\browser equivalent of cache refresh.