Unable to send Inbox private messages with attachments

Update (11:00pm PST): Our teams have successfully stabilized the service and identified the root cause of the attachment issue in Facebook private messages.
This specific case will now be addressed through our regular development pipeline. Our engineering team remains committed to deploying a complete fix. As the immediate service interruption has ended, we are closing this event on our status page.
We appreciate your patience as we work towards a full resolution.

Update (5:31 AM PST): Our investigation has narrowed the scope of this issue. We have confirmed it is causing degraded performance for sending attachments in Facebook private messages, but it is not a complete outage.

Next Steps: We are continuing to work with our partners at Meta to restore full functionality.

Thank you for your patience.

UPDATE (3:24 AM PST): Our team is still actively investigating the issue with sending attachments in private Facebook messages. As part of our investigation, we are now collaborating with our partners at Meta to find a resolution as quickly as possible. We appreciate your continued patience and will post another update as soon as we have new information.

Hey there,

We are currently experiencing technical difficulties with sending private Facebook inbox messages that include attachments. This may prevent you from uploading inbox attachments at the moment.

Our team is actively working to resolve the issue as quickly as possible. We appreciate your patience and understanding!