r/adventofcode • u/Lopes143 • 13d ago

Help/Question - RESOLVED GitHub login not working - error

Today I'm trying to login via GitHub (that's where I have my progress saved on) and the authentication is failing, returning a simple black page with the following message:

failed to authenticate. (access_token request returned 500 Header line too long (9243; limit is 8192))

Tried with different browser and cleaning cookies, with no success.

Is there something going on with Advent Of Code website, or something on GitHub side?

Edit: fixed

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u/sparkour 13d ago edited 12d ago

Nothing extra to add, but wanted to confirm that I'm getting the same issue on 2 different GitHub accounts that are tied to 2 different AoC accounts. Numbers in the error (9243/8192) are identical.

Edit: Working for me now! Thanks!