I don’t think so.
Most probably you logged on with different email than you created your projects.
That’s what I figured too but I only ever used one account and I’ve already tried the rest just to be sure. No dice. I’ve sent a support request.
Pretty scary when Sketchup’s past has been fought with ownership! Thought Trimble pulled the plug!
Got the message call your account administrator??? Can you really call anyone and actually get a person these days? NO.