CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: --> 71af458d29f3c8513817e53bab1b9e69d781c7101e06b1d978c6be0e22e6e996:28:28 | 28 | self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true") | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 1e3c78c6d580273b.LNVCT:295: