Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0aeb7a6065b90ffb2c74e02f9439e7bb6f056abb8172f3caff5a0ad78c1bdcff:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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