Sign in with Google temporarily disabled for this app

[bhateja]

Solution title:

One sentence summary: Sign in with Google temporarily disabled for this app

Description (1 - 2 paragraphs):
When I click Mail Merge / Send Emails, and select an account, I get:

Sign in with Google temporarily disabled for this app
This app has not been verified yet by Google in order to use Google Sign In.

Design Details:
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[octern]

I'm experiencing the same problem. Anything we can do, or is this script defunct for now?

[jessamynwest]

Having the same issue. Is this fixable?

[cosmogrillny]

Same issue here please help! It's a google scrip that's not supported by google.../: