To start: I am using PGSharp, but I am having the same issue on different devices and on the PGSharp app and the "legit" version.

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For about the last 24 hours, I have been stuck in a rotating loop of errors between "failed to login" and "under maintenance" [blue screen] whenever I try to login to my main account.

I have tried a second account on both of my test devices and the second account works fine.

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I have tried all the "recommended" steps like uninstall/reinstall, clearing cache/data, removing my google account, etc; and nothing has worked. I have also contacted Niantic, though they are being typically unhelpful.

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I have also seen alot of similar threads, but no real answers, hence my question... Any advice?