Flow price: --
f356e565d240768fbfba21b5e38467991d4e2571fb4e8b0a6db0cc3bf26fac52

Transaction

Hash: f356e565d240768fbfba21b5e38467991d4e2571fb4e8b0a6db0cc3bf26fac52
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f356e565d240768fbfba21b5e38467991d4e2571fb4e8b0a6db0cc3bf26fac52:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f356e565d240768fbfba21b5e38467991d4e2571fb4e8b0a6db0cc3bf26fac52
Status:
ERROR
Block height:
40020445
Block id:
082b1e1f34ff473d665e492b45ebd1e561f452656a6e7550baf1d112efc25b97
Timestamp:
Monday 31 October 2022 at 01:52:57 UTC
()
Proposer:
Authorizers:
Gas used:
47