CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: --> 91d67913332939656a4bbb8b664e27c6a2e46cc169861bcd08e03aca12fd51c9:28:28 | 28 | self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true") | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 1e3c78c6d580273b.LNVCT:295: