Flow price: --
42346573393b0396accb1e43b67120fe650e8f7f92ef2c125d6717d7b25b2168

Transaction

Hash: 42346573393b0396accb1e43b67120fe650e8f7f92ef2c125d6717d7b25b2168
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 42346573393b0396accb1e43b67120fe650e8f7f92ef2c125d6717d7b25b2168:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
42346573393b0396accb1e43b67120fe650e8f7f92ef2c125d6717d7b25b2168
Status:
ERROR
Block height:
39875520
Block id:
22ba6970f4bd86b1c121de9522392b71fbc75871cbd461a3795dea2ac2924ac8
Timestamp:
Friday 28 October 2022 at 16:02:16 UTC
()
Proposer:
Authorizers:
Gas used:
47