Flow price: --
f73f3b50fd8676aca5ea76025b32a873c60aa7256b15189767a38dce34d14424

Transaction

Hash: f73f3b50fd8676aca5ea76025b32a873c60aa7256b15189767a38dce34d14424
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f73f3b50fd8676aca5ea76025b32a873c60aa7256b15189767a38dce34d14424:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f73f3b50fd8676aca5ea76025b32a873c60aa7256b15189767a38dce34d14424
Status:
ERROR
Block height:
39999096
Block id:
4867dda7a801bfb30cb669a24af620d9cc297fd44b6e8c890e4bf717a17ba393
Timestamp:
Sunday 30 October 2022 at 17:24:30 UTC
()
Proposer:
Authorizers:
Gas used:
47