No, the issue is on the account you made.
Discord has an unique bot protection.
Was the account locked and you tried to unlock it?
It also could be proxy and fingerprint.
Received HTTP code 502 from proxy after CONNECT
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Received HTTP code 502 from proxy after CONNECT
This error appears after connected to proxies, proxies are luminati based, i don't know why this happens something if there 40% success rate, 60% is failed with this error, trying to ignore with 'Ignore Fail' but still occours, can someone please help me to fix this issue?