Flow price: --
f1e077478ef9d15c3a9a26708316abd60c86d690e98aac50c8bf31873ae5afd9

Transaction

Hash: f1e077478ef9d15c3a9a26708316abd60c86d690e98aac50c8bf31873ae5afd9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1e077478ef9d15c3a9a26708316abd60c86d690e98aac50c8bf31873ae5afd9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1e077478ef9d15c3a9a26708316abd60c86d690e98aac50c8bf31873ae5afd9
Status:
ERROR
Block height:
40111172
Block id:
b80fc6992785a8007bc0bc638fd4cd107b84a89689c358b952c8e610a9fe328c
Timestamp:
Tuesday 1 November 2022 at 14:26:20 UTC
()
Proposer:
Authorizers:
Gas used:
49