unsupported_file_type
HTTP status: 422 (Unprocessable)
Title: Unsupported file type
Cause
Allowed: PDF, DOCX, TXT and MD.
How to fix it
Upload a PDF, DOCX, TXT or MD file.
Set the parameter named below and send the request again.
Parameter: file
Every error carries requestId and the Request-Id header. Send it when you write to support.