Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02c1d8bd9b3cf35a9b9674b32208df795196b9e94e4811fb8d31b4ecd63e49d6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34