X (Twitter) API Error ReferenceComplete troubleshooting guide with solutions

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Your X/Twitter credentials are no longer valid. This can happen after a password change or if you revoked app access. Reconnect your account in settings.

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Your authentication credentials are incorrect or expired. Go to your account settings and reconnect your X/Twitter account.

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You've reached X's usage limits for your account tier. Free accounts have lower limits. Wait for your quota to reset or upgrade to X Premium for higher limits.

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X enforces usage caps based on your subscription tier. The cap typically resets every 24 hours. Consider upgrading to X Premium for higher limits.

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X prevents posting identical content too frequently. Wait at least 30 minutes before posting the same content, or modify your post slightly to make it unique.

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You've posted this exact content recently. X's duplicate detection is very sensitive. Change your text, add different media, or wait before posting.

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Duplicate post detected. Wait at least 30-60 minutes before attempting to post similar content. This helps prevent spam on the platform.

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X blocks certain URLs that violate their policies. Remove the URL or use a different link. Avoid using link shorteners that X has blacklisted.

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The URL in your post is blacklisted or considered spam. Use a different URL or remove the link entirely. Ensure the domain has a good reputation.

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Free X accounts are limited to 2-minute videos. Either: 1) Trim your video to under 2 minutes, or 2) Upgrade to X Premium/Premium+ for longer video support.

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Video length restrictions are based on your subscription tier. Free: 2min, Premium: 10min, Premium+: 120min. Upgrade or reduce your video length.

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Your account tier doesn't support videos of this length. Upgrade to X Premium ($8/month) for 10-minute videos or Premium+ for 2-hour videos.