Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a6feb0125df66d8bbe0b3fe7a9eb3e5ba33a8bd2758e673ff071e99413c8492:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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