Hi spook,
Thanks for helping to bring this issue to our attention.
Our technical team is currently looking into the errors you are encountering when attempting to upload listings using our mobile app, and we will do our best to address the issue as quickly as possible.
I am uncertain when we may have the issue resolved at the moment, but we will follow up with you again through your open support case on the subject as soon as the issue has been addressed or any related information becomes available.
We apologize for any inconveniences this may be causing.
-Mike