Comment by qazxcvbnm
Trying to add myself fails, showing "Oops! Something uncool is breaking this app.". The POST request seems to be receiving 500 with the following request.
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Content-Disposition: form-data; name="1_username"
qazxcvbnm
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Content-Disposition: form-data; name="1_location"
Hong Kong Island, China
-----------------------------74974701830891853922449739590
Content-Disposition: form-data; name="0"
["$undefined","$K1"]
-----------------------------74974701830891853922449739590--
I can get it to work by using a district name e.g "Wan Chai, China". There should probably be some special handling for Hong Kong and Macau since although they are in China, they have their own ISO country codes, flags and are divided differently.