Flow price: --
89debce0c6648e4dd1674886ceca3a40bfba0a0970d2e38cc5400e140d1c8a36

Transaction

Hash: 89debce0c6648e4dd1674886ceca3a40bfba0a0970d2e38cc5400e140d1c8a36
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 89debce0c6648e4dd1674886ceca3a40bfba0a0970d2e38cc5400e140d1c8a36:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
89debce0c6648e4dd1674886ceca3a40bfba0a0970d2e38cc5400e140d1c8a36
Status:
ERROR
Block height:
40168098
Block id:
f61586c44852dcae8bad439d9c42aa3cc03dfd0be859f0e05f04d609e78d12f2
Timestamp:
Wednesday 2 November 2022 at 13:34:29 UTC
()
Proposer:
Authorizers:
Gas used:
47