Board Thread:Support Requests - Getting Technical/@comment-27568649-20161210161915/@comment-26923519-20170402031158

It could occur for two reasons:


 * Slow/ bad internet connection.


 * You have been editing for a long time.

To prevent it, you need to either improve your internet connection or edit in a short time. Another tip is that you can copy the page source, then click dismiss. Finally, paste the page source and continue.