Flow price: --
097d646a9c3e8240ae23bd7d561a61758e70f320268764d108a5f5d1376e5d35

Transaction

Hash: 097d646a9c3e8240ae23bd7d561a61758e70f320268764d108a5f5d1376e5d35
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 097d646a9c3e8240ae23bd7d561a61758e70f320268764d108a5f5d1376e5d35:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
097d646a9c3e8240ae23bd7d561a61758e70f320268764d108a5f5d1376e5d35
Status:
ERROR
Block height:
40162114
Block id:
dae7b65c16c7ebb35a4c4fad0d765c22cfde87164c79e66b97b37e48a5be0889
Timestamp:
Wednesday 2 November 2022 at 11:09:46 UTC
()
Proposer:
Authorizers:
Gas used:
49