Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3aa7e9b9d27f9a4a90879796f5fff42b6c8582913e7968ebd9d5d5d653dbb19b:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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