Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3a1d8c3d1c52f79b1e950604a3f91a287f0c15fabe43f5624c3bf8a587c8441f:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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