Refuse to Proscess my Withdrawal Request

Deriv seems to be a be a suspicious Broker, They accept My deposit and permit me to get my first withdrawal within 24 Hours. I thought it was a good broker to trade with, therefore I added much money in to my trading account, but the next time I applied to withdraw my funds, then the continued to decline the request and saying that the withdrawal method doesn't match. which is the same withdrawal method I got my first withdrawal. please help me get my money