CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 8d9f7da52dd0709ff124b8faf74ab0afd7152676a44d31326876e5d41f4b716f:47:4 | 47 | self.FLOATEvent.claim(recipient: self.Collection, params: params) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 2d4c3caffbeab845.FLOAT:792:12 | 792 | self.verifyAndMint(recipient: recipient, params: params) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 2d4c3caffbeab845.FLOAT:751:20 | 751 | verifier.verify(params) | ^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 2d4c3caffbeab845.FLOATVerifiers:235:38 | 235 | let sig: [UInt8] = (params["emailSig"]! as! String).decodeHex() | ^^^^^^^^^^^^^