Flow price: --
f08cb4e04037a46a6a50c5e0e47de3bde55ed68cb89109d6bc9b07a031b52e68

Transaction

Hash: f08cb4e04037a46a6a50c5e0e47de3bde55ed68cb89109d6bc9b07a031b52e68
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f08cb4e04037a46a6a50c5e0e47de3bde55ed68cb89109d6bc9b07a031b52e68:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f08cb4e04037a46a6a50c5e0e47de3bde55ed68cb89109d6bc9b07a031b52e68
Status:
ERROR
Block height:
39967019
Block id:
5e0d00443eb09ca33f58827dca360ae2f1ffa1d184d8cbaf147a55ad76db6648
Timestamp:
Sunday 30 October 2022 at 04:33:52 UTC
()
Proposer:
Authorizers:
Gas used:
50