Is Pokemon GO's Facebook login error fixable?

Pokemon GO was well-known for its connection hiccups during its July 2016 launch, but players may still occasionally run into a connection error here and there during gameplay.

Pokemon Go Facebook Login Issues

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Anyone else having login issues with Facebook. : r/pokemongo

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Pokemon Go Can't Log in with Facebook: How to Fix It?

Facebook login error : r/PokemonUnite

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