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browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

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how to fix it? Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

how to fix it? Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

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Whoops, your post duplicated. Let's continue here: https://support.mozilla.org/questions/1167892