Flow price: --
049e8b9db6a4078abd60292302b834a9f4f407b57f110ee4c6231d88af2150b9

Transaction

Hash: 049e8b9db6a4078abd60292302b834a9f4f407b57f110ee4c6231d88af2150b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 049e8b9db6a4078abd60292302b834a9f4f407b57f110ee4c6231d88af2150b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
049e8b9db6a4078abd60292302b834a9f4f407b57f110ee4c6231d88af2150b9
Status:
ERROR
Block height:
39954168
Block id:
416c45265bc14237ad8756feddd5f3e46a49d13328b71804c54c69fcaba4f8fd
Timestamp:
Saturday 29 October 2022 at 23:27:58 UTC
()
Proposer:
Authorizers:
Gas used:
52