I’m having the same problem. I updated my address, and now I’m getting that error message. Would like to be able to submit proposals.
Thank you for reaching out to us. I checked this for you and looks like City field under your address information is still not filled. Please, clear your cache and cookies and/or try to use a different browser to log in to your account and fill all the fields under your location information.
If the issue persists after this please let us know and our team will assist you further.