Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0bd73d22c4431df07d89ca7fd1472fd946c34a5ca082defe9cc6ab9b2a8e68b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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