Please help me. Now I can't rent the card at all.

Please help me. Now I can't rent the card at all. Because the game tells me that

Oops, it looks like you don't have enough Resource Credits to transact on the Hive blockchain. Please contact us on Discord for help! Error: This account has already received the maximum delegation.

I tried many times to turn on/off the game, still can't get into the game. Can anyone suggest how to do it? Many thanks in advance for any help.