EDIT 1-25-2020 11:25AM Eastern
Just one day later and this is working again. YAY!! feller ROCKS

signatureLocal: cannot resolve signature;3

Was awesome, now it does not work at all. I'm sure it will be updated so keeping the 5 star rating, for now.
Not a new problem, YT changes stuff all the time. This developer keeps changing his app to comply with the changes.