Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b4bdb2de5c1948d2da3a9b7320e000a7d6106df38f6aa17b562e22e5dfdf36c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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