I can log in fine as well.
I know this might be an obvious question, but check you’re signed into the right account. Maybe you have two accounts 
I recommend you email hello@adalo.com, although they may not get back to you immediately because, well, Adalo is a small company with a big effort to change no-code.
Another thing you could do is DM an Adalo team member in this forum. They’re usually pretty active here, that might work.
I’ve also heard this has been happening to other people. It seems to be a bug. Look at this forum post for more info.