Twitter undelivered error messages

Did you experience any errors when you published your post? The most frequent Twitter errors are listed here, along with instructions on how to fix them.

To find any posts that haven’t successfully made it to Twitter, go to Published > Undelivered and look for the related error message:

Permission issues

Your account is suspended and is not permitted to access this feature.

Explanation: This bounced message is being returned directly from Twitter, indicating that your Twitter account has been suspended and is, therefore, unable to publish posts.
Solution: If you check your Twitter account natively on Twitter, you should see a banner confirming this. You can learn more about Twitter's rules and how you can file an appeal on their help page: About suspended accounts.

Your Twitter profile registered on our platform needs to be re-authorized by you. Until this service is re-authorized, we won't be able to publish content on your behalf.

Explanation: It appears that the Twitter profile you're attempting to publish a post to requires reconnection.
Solution: Please follow the steps outlined in our support article below to see the step-by-step process on how to reconnect your Twitter profile: Reconnect a Twitter Profile.

To protect our users from spam and other malicious activity, this account is temporarily locked.

Explanation: Twitter may flag certain accounts for seeing them have too much activity via the Twitter API when compared to activity directly on Twitter.com.
Solution: To ensure these accounts are not "bots", Twitter requires users to log in and perform manual actions (eg., a like or retweet) to unlock the account and resume publishing posts through their API.

Connection issues

Twitter is experiencing a connection issue.

Explanation: This error is usually returned when there's a temporary server issue at Twitter or when they're experiencing an outage.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Oauth data incomplete.

401

Explanation: There’s a reconnection issue with your Twitter account.
Solution: Please reconnect it as advised in the following article: Reconnect a Twitter profile.

Exception of type 'System.OutOfMemoryException'

Explanation: This error means the connection timed out while uploading to Twitter. It may have happened because of the heavy traffic on Twitter, causing the upload to take too long to process, sometimes leading to the post being rejected.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Image/video issues

The validation of media ids failed.

Explanation: The image is larger than 5MB, which exceeds the maximum file size allowed on Twitter.
Solution: You should resize your image to meet Twitter's image requirements and publish your Tweet again. Please see this page for more information about image sizes: Why is there an issue with the image included in my post?

404 image

Explanation: There’s an issue with the image included in your post.
Solution: Please save the image to your computer, attach it again, and try re-posting your message.

The operation has timed out.

Image error

Explanation: The image took too long to upload either because the file was too large (greater than 5MB), Twitter may be experiencing an outage, or the server hosting the image is slow.
Solution: Please check our support article regarding image sizes to ensure the attached image meets Twitter's requirements. If the image is being fetched from a URL, you can also try downloading it to your computer and uploading it to your post from there, just in case of issues "fetching" the image. Refer to the article: Why is there an issue with the image included in my post?

Image file too large, must be smaller than 5Mb.

Explanation: This image exceeds the 5MB limit set by Twitter's API.
Solution: Please check our support article regarding image sizes to ensure the attached image meets Twitter's requirements: Why is there an issue with the image included in my post?

Twitter server is taking too long to upload the media, try again later.

Explanation: This error message is forwarded directly from Twitter and may be caused by temporary server issues on Twitter's side, or they may even be experiencing an outage.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce. However, if the image is being fetched from a URL, you can also try downloading it to your computer and uploading it to your post from there, just in case of issues "fetching" the image.

Media type unrecognized.

Explanation: This error appears to be related to the media/attachments you have included in your posts; however, it may also be returned when Twitter is experiencing an outage or has temporary server issues.
Solution: Please try removing the image/video you've already attached to your post and publishing it again. If it bounces again, please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Image is too large. Must be smaller than 5Mb.

Explanation: Twitter requires all image files to be smaller than 5MB.
Solution: Please check our support article regarding image sizes to ensure the attached image meets Twitter's requirements: Why is there an issue with the image included in my post?

File type not recognised.

Explanation: This error is being returned directly from Twitter and is more commonly due to the route address of the image being for a different social site (e.g Facebook).
Solution: If the image was attached via a URL, please try downloading the image file to your computer and uploading it from there before publishing this post again.

Error uploading image.

Explanation: This is usually when the image is being pulled from a website, and it takes too long for the image to load, causing the process to timeout; however, this may also be caused by an outage on Twitter's side.
Solution: Please check our support article regarding image sizes to ensure the attached image meets Twitter's requirements Why is there an issue with the image included in my post? If the image is being fetched from a URL, you can also try downloading it to your computer and uploading it to your post from there, just in case there are issues "fetching" the image, but we would also recommend you try publishing this post again a little later, maybe in an hour from now, so that Twitter can recover from any possible outages they may have experienced.

File is invalid

Explanation: Bad Image.

Unsupported media type.

Explanation: This is usually because the attachment is not meeting Twitter's requirements.
Solution: Please check the image and video requirements support articles to confirm the file type of your attachment and its audio-video codecs. You may also try re-uploading the file to ensure it's not corrupted.

Extension argument is null or empty.

Explanation: This error is usually sent by Twitter when there's an issue with the media being pulled from the URL attached to the post.
Solution: Inspect the URL to identify the issue with the medial link or replace the URL with a new one.

A media id was not found.

Explanation: This error is usually returned when there's a temporary server issue at Twitter or when they're experiencing an outage.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Twitter server is taking too long to upload the media, try again later.

Explanation: This error means the connection timed out while uploading to Twitter. It may have happened because of the heavy traffic on Twitter, causing the upload to take too long to process, sometimes leading to the post being rejected.
Solution: Please try publishing this post again a little later, maybe an hour from now, so that Twitter can recover from the surge in traffic which caused your post to bounce.

Error uploading video.

Image dimensions are not correct.

Explanation: This error indicates an error while uploading the video to Twitter, usually because the video does not meet Twitter's requirements.
Solution: Please check our relevant support article, and ensure your video meets Twitter requirements: Best practices: Social platforms' video guidelines

Video processing is taking too long, exceeded maximum status check iteration (30).

Explanation: There may be some hidden formatting attached to the media that is being picked up by the API (how all third-party platforms like Sendible connect to social sites) when trying to post.
Solution: Reconvert your video to .mp4 format. Several free online editing tools can help you do this.

Image doesn't exist.

Explanation: We could not validate the size of the image extracted from the URL.
Solution: Please try rescheduling the post

Post content issues

Status is a duplicate.

Explanation: Twitter has declined this post as you can only publish the same (or a similar) post to Twitter once every 24 hours.
Solution: Please try publishing this Tweet again after the 24-hour window has been reached; otherwise, your post will bounce again.

You have already retweeted this tweet.

Explanation: Twitter has declined this post as you have already Retweeted this Tweet. Each Tweet can be Retweeted once only.
Solution: Please try publishing this Tweet again after the 24-hour window has been reached; otherwise, your post will bounce again.

Tweet needs to be a bit shorter.

Explanation: Tweets must not exceed the 280-character limit; otherwise, the post will bounce. Solution: Please shorten your Tweet so it does not exceed Twitter's 280-character limit.

There was a problem on Twitter's server, please reschedule the message for a later time.

Explanation: This error is triggered when there is a temporary issue at Twitter.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Sorry, that page does not exist.

Explanation: This error is usually returned when there's a temporary server issue at Twitter or when they're experiencing an outage.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

This page doesn't exist.

Explanation: This message comes directly from Twitter and indicates that something about the Twitter account being posted to has changed.
Solution: The most common changes users make are changing the Twitter account name or the account owner's name (on Twitter). Reconnecting this Profile by following the steps outlined in the article below should help your posts stop bouncing. Reconnect a Twitter Profile

Twitter: Internal error.

Explanation: This error is triggered when there is a temporary issue at Twitter.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

This request looks like it might be automated. To protect our users from spam and other malicious activity, we can’t complete this action right now. Please try again later.

Explanation: Twitter is considering your account a "spam user". This happens when you either Tweet too often or when your Tweet's content is often the same or contains "spammy" links. Also, someone might have reported you as spam.
Solution: Send fewer Tweets and review the content to meet Twitter's rules.

Twitter update failed. Status is a duplicate. The same message can only be posted once every 24 hours.

Explanation: This error is returned because Twitter does not accept duplicate posts within 24 hours.
Solution: Do not send a duplicate post within 24 hours.

Unknown errors

Unknown Twitter error.

Explanation: This error is triggered when there is a temporary issue at Twitter.
Solution: Please try publishing this post again a little later, maybe in an hour, so that Twitter can recover from the outage that has caused your post to bounce.

Still an issue?

No worries! We can take it from here.

Please submit a support ticket and be sure to mention you have gone through the typical troubleshooting steps. In addition, providing screenshots and including where you were and the steps you took when the issue happened will help us resolve it more quickly!