x-error doesn't support errorCode/errorMessage #3
Description
They're part of the spec, so we need to handle them.
From https://forums.ankiweb.net/t/x-callback-error-url-missing/66533
{{ message }}
They're part of the spec, so we need to handle them.
From https://forums.ankiweb.net/t/x-callback-error-url-missing/66533