Flow price: --
1f856e52d0bb89a8b5b9a8a2372670a5272c7259a7c569f2bcd45d4d44dc5614

Transaction

Hash: 1f856e52d0bb89a8b5b9a8a2372670a5272c7259a7c569f2bcd45d4d44dc5614
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f856e52d0bb89a8b5b9a8a2372670a5272c7259a7c569f2bcd45d4d44dc5614:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f856e52d0bb89a8b5b9a8a2372670a5272c7259a7c569f2bcd45d4d44dc5614
Status:
ERROR
Block height:
40093583
Block id:
6490eb20101eccc1c58f3566b97beece493ba7f01b242891a2e8d3274b45a2b3
Timestamp:
Tuesday 1 November 2022 at 07:19:09 UTC
()
Proposer:
Authorizers:
Gas used:
62