Lost my wallet seed

Hello, I participated in the Certik bounty program, won 1000 points and wanted to exchange them 20: 1, transferred 200 CTK, but when I wanted to convert points into coins, the program asked me to enter a seed phrase - I could not find it, and now I cannot I can take the reward and my 200 CTK - for me this is a lot of money, please help me to return at least my money. I passed KYC, here is my account, everything is fair, help me, please.