Flow price: --
12577918223361a239975a67d1e1a924618c1dbb0d7172bd5d4a62eaddd3f441

Transaction

Hash: 12577918223361a239975a67d1e1a924618c1dbb0d7172bd5d4a62eaddd3f441
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12577918223361a239975a67d1e1a924618c1dbb0d7172bd5d4a62eaddd3f441:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
12577918223361a239975a67d1e1a924618c1dbb0d7172bd5d4a62eaddd3f441
Status:
ERROR
Block height:
40150346
Block id:
eed37d281990a4546e3b6e83a661c5cc96a20abf8186999cf901088fb28a6bcb
Timestamp:
Wednesday 2 November 2022 at 06:22:51 UTC
()
Proposer:
Authorizers:
Gas used:
47