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Keeping WordPress sites up to date is important. At the same time updating can cause problems. Of course, you need to resolve those problems as soon as possible. So let’s fix WordPress publishing failed and updating failed error messages. First, we’ll start with easy to try out solutions. If the first solution does not fix the issue continue reading and hopefully, you’ll fix the WordPress Updating Failed error by the end of this tutorial.
Disabling Gutenberg editor and installing classic editor plugin
In case, you recently updated WordPress there was an editor update. You maybe don’t know this, but WordPress version 5 uses a new editor called Gutenberg. Gutenberg is a drag-and-drop block editor. Editor updating to Gutenberg block editor is probably what caused the issue. Because of this, We decided to present you with a simple fix for your problem. Given that Gutenberg WordPress editor might cause issues, you should disable Gutenberg editor and go back to the old classic editor plugin. To do so follow these steps: