Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb91ec8bb6699425ea8e0c2977cd77932b37f9fb80c50aa4f25c865f5bd7ea28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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