Did you lose your link? Did something go wrong when creating the link? Don't worry, a sender can always reclaim their link.
If the Peanut Link is lost, the funds are still SAFU. The sender of a Link can always reclaim the funds. In order to reclaim, you will need the chainId and the transaction hash of the deposit (make sure this is the transactionHash of the deposit, not the approval!). Below is a full code example.