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Twitch.tv buttons/log in shows error 400 on console

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Hello, in the recent days i can't browse twitch.tv on Firefox. I tried running Firefox without any extensions and doing a recovery as it was suggested on the firefox uninstaller. I also tried cleaning the cookies.

I don't have any idea of what is happening or why but on Microsoft Edge or any other browser i don't have any issue.

Hello, in the recent days i can't browse twitch.tv on Firefox. I tried running Firefox without any extensions and doing a recovery as it was suggested on the firefox uninstaller. I also tried cleaning the cookies. I don't have any idea of what is happening or why but on Microsoft Edge or any other browser i don't have any issue.
Attached screenshots

الحل المُختار

succede anche se crei un nuovo profilo (SENZA cancellare quello attuale)? -> https://support.mozilla.org/it/kb/Gestione%20dei%20profili#w_creare-un-profilo

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الحل المُختار

succede anche se crei un nuovo profilo (SENZA cancellare quello attuale)? -> https://support.mozilla.org/it/kb/Gestione%20dei%20profili#w_creare-un-profilo

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next ha detto

succede anche se crei un nuovo profilo (SENZA cancellare quello attuale)? -> https://support.mozilla.org/it/kb/Gestione%20dei%20profili#w_creare-un-profilo

Creare un nuovo profilo ha risolto il problema, grazie