MediaWiki:Apierror-badupload
From B.E.R.T. Wiki
File upload parameter $1 is not a file upload; be sure to use multipart/form-data for your POST and include a filename in the Content-Disposition header.
From B.E.R.T. Wiki
File upload parameter $1 is not a file upload; be sure to use multipart/form-data for your POST and include a filename in the Content-Disposition header.