Flow price: --
4060d76c5a70002fb765764f86cc9594075a39e96e8e30c721b91a4d1c250b27

Transaction

Hash: 4060d76c5a70002fb765764f86cc9594075a39e96e8e30c721b91a4d1c250b27
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4060d76c5a70002fb765764f86cc9594075a39e96e8e30c721b91a4d1c250b27:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4060d76c5a70002fb765764f86cc9594075a39e96e8e30c721b91a4d1c250b27
Status:
ERROR
Block height:
39950819
Block id:
dcb498c2dade1dc5b848c1ab6e5f1b930c8ea5f96f98d58238aa11e03a47fc1c
Timestamp:
Saturday 29 October 2022 at 22:09:14 UTC
()
Proposer:
Authorizers:
Gas used:
47