Flow price: --
7080b3c9029b999c17d9e55ec4deb7fda8b3941853ae57745dc57139e9b30423

Transaction

Hash: 7080b3c9029b999c17d9e55ec4deb7fda8b3941853ae57745dc57139e9b30423
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7080b3c9029b999c17d9e55ec4deb7fda8b3941853ae57745dc57139e9b30423:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7080b3c9029b999c17d9e55ec4deb7fda8b3941853ae57745dc57139e9b30423
Status:
ERROR
Block height:
40171326
Block id:
881f0bd4c08e30aeb5ce856c0133192d3019a540ff8e7bc2ca735a93eddb23ff
Timestamp:
Wednesday 2 November 2022 at 14:52:36 UTC
()
Proposer:
Authorizers:
Gas used:
47