Click on the hamburger menu (top right) and select Configuration Nodes, then click Unused at top right and it should show you them, with dotted line round. Double click the unused node and click delete in top left. Repeat for each unused node obviously.
Well thats the first time you’ve mentioned that its google mail.
Have you gone in to your google account and enabled the option to allow access from “less secure apps”
My primary email is Yahoo, but i Saw that google was already in the flow I used my Google account
also can’t get either one to run. Sorry for being dense on this stuff, just got into RPI recently