How to solve “Updating failed” with 403 Error when trying to save a Site or Post in Gutenberg?
There are many reasons this error can occur. Those two were the most frequent for me: Session-Cookie Open the Javascript Console by pressing F12 and click on the tab “Console”. If you see some error message that goes something like cookie_nonce it’s a session cookie problem. The problem solves by just completely logging out and … Read more