Flow price: --
a896a179198a24685b3b9de0d420a597a87c3dc5303878f6f0ef4b6fdcb0cdd5

Transaction

Hash: a896a179198a24685b3b9de0d420a597a87c3dc5303878f6f0ef4b6fdcb0cdd5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a896a179198a24685b3b9de0d420a597a87c3dc5303878f6f0ef4b6fdcb0cdd5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a896a179198a24685b3b9de0d420a597a87c3dc5303878f6f0ef4b6fdcb0cdd5
Status:
ERROR
Block height:
39726946
Block id:
fad77c1355da8b55b4dfa4c2e9baedc022e71635418f06b2dcbd8277a30eaacc
Timestamp:
Wednesday 26 October 2022 at 04:09:48 UTC
()
Proposer:
Authorizers:
Gas used:
50