FATCA: Tax Treaty Country and Address Mismatch

I submitted a proof of address and I received an email that the document submission did not resolve the issue. Why?
Tax treaty benefits
My address is inside a treaty country but you are showing the wrong address. What should I do?
FATCA FAQs - Issues Involving Mismatch Between Tax Treaty Country and Address
I live in Hong Kong and chose China as my tax treaty country on my Form W-8BEN but the proof of identity I sent is not sufficient. Why?
I live in Macau or Taiwan (Republic of China), my W-8BEN treaty country is China but my proof of address was rejected
I claim treaty benefits in one country but have an address outside that treaty country. Why did I receive an email asking for additional documentation?