--- title: 5001: File upload failed | API Docs description: File upload failed due to network or storage issues. --- File upload failed due to network or storage issues. This is an HTTP 500 error indicating the file could not be stored. ## Troubleshooting - Retry the upload (or the message that contained the attachment) - Check file size limits ## Related - [Attachments](/guides/messaging/attachments/index.md) - [API reference: Attachments](/api/resources/attachments/index.md) - [Debugging](/guides/platform/debugging/index.md)