Flow price: --
d318285a1ef7273f6bd840aa0a89492b56e2709d911975b6a09f75d7d95e4f8b

Transaction

Hash: d318285a1ef7273f6bd840aa0a89492b56e2709d911975b6a09f75d7d95e4f8b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d318285a1ef7273f6bd840aa0a89492b56e2709d911975b6a09f75d7d95e4f8b: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:
d318285a1ef7273f6bd840aa0a89492b56e2709d911975b6a09f75d7d95e4f8b
Status:
ERROR
Block height:
40110129
Block id:
651ae32403ec210f951e0578ae55ae96399fd847baa4c8fb04d63c2db9670b14
Timestamp:
Tuesday 1 November 2022 at 14:01:02 UTC
()
Proposer:
Authorizers:
Gas used:
50