requested for withdrawal but my request is undercompliance review????

This broker is holding my withdrawal request for ridiculous reasons! At first they flagged my document aren't the same address. I emailed them but they barely respond to my report. I tried to fulfill all the things they requested to me in order to verify my authenticity. But now they sent me an email saying that my request is under compliance review. What is this nonsense? They don't want to pay my withdrawal!