Okay, I fixed mine by deactivating my plugins, then realizing that my prophoto plugin had an update I needed to do from their site on a zip file. This fixed my issues. Hope that helps.
Same problem. People said to check with your web host, but I did that and there’s no problem there.
I can upload media through the media tab, but it’s not showing in my media library when I try to insert it in a post. HELP!!