Flow price: --
c1b8a126a18d5d53c221dc8d4e7550270f7fd8f7299938f4887c3de0b433ec56

Transaction

Hash: c1b8a126a18d5d53c221dc8d4e7550270f7fd8f7299938f4887c3de0b433ec56
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c1b8a126a18d5d53c221dc8d4e7550270f7fd8f7299938f4887c3de0b433ec56:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c1b8a126a18d5d53c221dc8d4e7550270f7fd8f7299938f4887c3de0b433ec56
Status:
ERROR
Block height:
40048401
Block id:
f67ae877c32cf17adf6e157cc79f9c6978c5a2e90bd9e27e6abaab1fb2282431
Timestamp:
Monday 31 October 2022 at 13:07:32 UTC
()
Proposer:
Authorizers:
Gas used:
47