Flow price: --
b71f649a7fddafc32572a60e8beb738986362acfcd2b10d74856f438b6200d83

Transaction

Hash: b71f649a7fddafc32572a60e8beb738986362acfcd2b10d74856f438b6200d83
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b71f649a7fddafc32572a60e8beb738986362acfcd2b10d74856f438b6200d83:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b71f649a7fddafc32572a60e8beb738986362acfcd2b10d74856f438b6200d83
Status:
ERROR
Block height:
40110130
Block id:
e5e9c6cd534d49c06814525521e69930a879343b0d3865638b706f39f3cf8a52
Timestamp:
Tuesday 1 November 2022 at 14:01:04 UTC
()
Proposer:
Authorizers:
Gas used:
50