Flow price: --
718140894021c6d9837e643713f6005ffe2450429e6a9a6c011c0bc29427f865

Transaction

Hash: 718140894021c6d9837e643713f6005ffe2450429e6a9a6c011c0bc29427f865
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 718140894021c6d9837e643713f6005ffe2450429e6a9a6c011c0bc29427f865:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
718140894021c6d9837e643713f6005ffe2450429e6a9a6c011c0bc29427f865
Status:
ERROR
Block height:
40043054
Block id:
f518c19aeb186d13ac22c9a4fd0fc6088a8f6568666043f66b73dffbb327e73f
Timestamp:
Monday 31 October 2022 at 10:58:29 UTC
()
Proposer:
Authorizers:
Gas used:
46