ATTACHMENT_UNREADABLE This image could not be read

HTTP status
422
Credit
No credit taken

Meaning

This file cannot be read as an image, or it is larger than we accept (at most 8192 pixels per side).

Fix

Save the image again as PNG or JPEG and attach it again.

Example response

{
  "type": "https://checkslip.com/problems/attachment-unreadable",
  "title": "This image could not be read",
  "status": 422,
  "code": "ATTACHMENT_UNREADABLE",
  "instance": "01a18600-0000-7000-8000-000000000000"
}