Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4674f2b56f67cbc9c46d5e99f0d319c2c5234d7b31ec48d298f3b432686bfcb6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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