Flow price: --
509b9005a5144c0d17549f3e4607fc3af9f34fb867c5fb3bff5f42444ce839cf

Transaction

Hash: 509b9005a5144c0d17549f3e4607fc3af9f34fb867c5fb3bff5f42444ce839cf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 509b9005a5144c0d17549f3e4607fc3af9f34fb867c5fb3bff5f42444ce839cf: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:
509b9005a5144c0d17549f3e4607fc3af9f34fb867c5fb3bff5f42444ce839cf
Status:
ERROR
Block height:
39843612
Block id:
0c56c05574650c87538c4f575feb329f397a899ff24fe8ba75ef561186610507
Timestamp:
Friday 28 October 2022 at 03:11:22 UTC
()
Proposer:
Authorizers:
Gas used:
49