Flow price: --
f600978246ec21ec3599c667d40bffe184a6e91495b42a045e94ff30f2b8a5bc

Transaction

Hash: f600978246ec21ec3599c667d40bffe184a6e91495b42a045e94ff30f2b8a5bc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f600978246ec21ec3599c667d40bffe184a6e91495b42a045e94ff30f2b8a5bc:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f600978246ec21ec3599c667d40bffe184a6e91495b42a045e94ff30f2b8a5bc
Status:
ERROR
Block height:
39789965
Block id:
6f5a85bdfcb231f5565a403474daeafe47cca99415390b8514b7cb501f7e2a67
Timestamp:
Thursday 27 October 2022 at 05:32:11 UTC
()
Proposer:
Authorizers:
Gas used:
47