"All done for now, see you again soon!" message

What gives with this message, it looks similar to the old end of queue messages but I thought India has a lot to review, then i found this thread that says its a 4 day cooldown. https://community.wayfarer.nianticlabs.com/discussion/12930/why-being-a-regional-niantic-wayfarer-sucks
Yesterday and today I did 138 reviews with 50-70% being in India. Have great rating too. I have gotten 4 hour cooldown message several times so i know this is different.
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Not sure what happened but I checked my settings and it seems my Home location and Bonus location are not assigned, maybe they were reset? I reassigned my bonus location to India but no change in the message.
I got the same thing after I reviewed 6 nominations from India. =/
This is the 4 day cooldown. We reviewed too fast (less than 30 sec) and too consistently so Niantic thinks we are bots and we are locked out for 4 days to twiddle our thumbs. Really a problem when the event only goes on for 10 days.
You're wrong. I take 3-5 minutes per nomination, so there's something else going on.
Same happend to me
You guys are facing cool down issues and we are facing issues with nomination in que who's not upgrading with a message "Unable to upgrade"
Agreed. I just got my third since the event began and was super slow and careful. All I can think is they noticed I spent 2 hours at once reviewing instead of a bit here and there spaced out.
@NianticCasey-ING @NianticPooja I have been Reviewing from the time the event started and I got no 24 hours or 4 hour cooldowns, but then Today I received this and the event ends in 3 days I want to review more, what can be done.