Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1ff0811ee02760dd14f5f23ae1771231c9b76e8ac76f23be1e62ceb3cd7b7f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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