Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8660fced2a0aad331cbeef7559c6c6ba6e1d3a4fd77ca2eef6a83d8a6ae47bfd:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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