Hi, @looovelee! 
This happens a lot to me,
So I try the following, and it’s becomes good again 
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Un-install & Re-install the Thunkable Live App, and sign in again. (with google)
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Go to Settings
Apps Thunkable Live Clear Storage.
After this, sign in again. (with google) -
Check in play-store for updates.
That’s all I got, should work for you 
Thanks! 