Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 465c457cd0c7c5ef37c554d00f2763b5c7b8ab440b75bb7d19079a60d5c5d3c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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