Flow price: --
d66d99a97f0ffaa20fc5a8a913e59ae7a6e2337ea6304982d4d153871ec16e74

Transaction

Hash: d66d99a97f0ffaa20fc5a8a913e59ae7a6e2337ea6304982d4d153871ec16e74
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d66d99a97f0ffaa20fc5a8a913e59ae7a6e2337ea6304982d4d153871ec16e74:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d66d99a97f0ffaa20fc5a8a913e59ae7a6e2337ea6304982d4d153871ec16e74
Status:
ERROR
Block height:
40048203
Block id:
8695829a56fe66c3278bf0fcccdd7a50714519903eb0ea1dc9731e347133f48f
Timestamp:
Monday 31 October 2022 at 13:02:42 UTC
()
Proposer:
Authorizers:
Gas used:
50