Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5974bc7d7d9ac1d87a0aee494b19cfb9d87c41625d56b8c81cbb28132d3b95b:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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