Flow price: --
9dcf56fd7b497c28ed683093cedc7a203fab8a6b99194253879a0a6f20c84470

Transaction

Hash: 9dcf56fd7b497c28ed683093cedc7a203fab8a6b99194253879a0a6f20c84470
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9dcf56fd7b497c28ed683093cedc7a203fab8a6b99194253879a0a6f20c84470:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9dcf56fd7b497c28ed683093cedc7a203fab8a6b99194253879a0a6f20c84470
Status:
ERROR
Block height:
40143283
Block id:
05e83524d383b87723afca22a6088156127954cc4de2de024d775071bd018054
Timestamp:
Wednesday 2 November 2022 at 03:30:16 UTC
()
Proposer:
Authorizers:
Gas used:
63