Flow price: --
870c5fd3e941bb2fe312480c949c9392b5323e4c0070fc3d8014b054eed3c004

Transaction

Hash: 870c5fd3e941bb2fe312480c949c9392b5323e4c0070fc3d8014b054eed3c004
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 870c5fd3e941bb2fe312480c949c9392b5323e4c0070fc3d8014b054eed3c004:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
870c5fd3e941bb2fe312480c949c9392b5323e4c0070fc3d8014b054eed3c004
Status:
ERROR
Block height:
39859704
Block id:
021fc5bb398f301e9e0aa065ac06b3e34896ebf19a25ff9a3da908e24e229def
Timestamp:
Friday 28 October 2022 at 09:41:31 UTC
()
Proposer:
Authorizers:
Gas used:
46