Can not submit post or media?

What’s happening?

Any error message?

Yes, I added screenshot. ‘updating failed’ on the screen and several errors like “mixed content, uncaught(in promise)” in the console.
Screenshot:https://ibb.co/e7E4g9

uninstall all plugin the reinstall all one by one

Hi,

I tried your suggestion but it did not work.

Any other suggestions?

please contact your hosting provider, i think you are not set allow upload or like that

I started to edit from “https://..” not from “https://..” and the problem solved so far. Thanks.