CODE_ERROR

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

[Error Code: 1101] error caused by: 1 error occurred: * transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed: --> 9ec6247cf66d63248c3f27840738ec17da2f469f59fe57da67bd31b1d79fbf4e:28:28 | 28 | self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true") | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 1e3c78c6d580273b.LNVCT:295:24