"payload" argument must be of type object

[darcyturk]

POST /api/uploadthing?actionType=upload&slug=postImage 200 in 66ms
⚠️ [uploadthing][deprecated] file.url is deprecated and will be removed in uploadthing v9. Use file.ufsUrl instead.
POST /api/uploadthing?slug=postImage 200 in 37ms
[14:46:05.429] INFO (#29) handleCallbackRequest=175ms: Sent callback result to UploadThing
⨯ TypeError: The "payload" argument must be of type object. Received null

[darcyturk]

I haven't had time to thoroughly test this migration yet, but it seems to resolve the problem based on initial checks. #2