Flow price: --
ce194780ab16fc7b9c4bccf7d0a8302ea4723f5a5efb8a73d86c8a4cdaffc8b3

Transaction

Hash: ce194780ab16fc7b9c4bccf7d0a8302ea4723f5a5efb8a73d86c8a4cdaffc8b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ce194780ab16fc7b9c4bccf7d0a8302ea4723f5a5efb8a73d86c8a4cdaffc8b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ce194780ab16fc7b9c4bccf7d0a8302ea4723f5a5efb8a73d86c8a4cdaffc8b3
Status:
ERROR
Block height:
40046465
Block id:
9d9ac8ad52bef5727796e390106455cd11de231b88c55b250a516ad044e08a27
Timestamp:
Monday 31 October 2022 at 12:20:48 UTC
()
Proposer:
Authorizers:
Gas used:
47