Flow price: --
64513d074bd27da33d7c1aac5852ea396b257e44181b83a4a03b9300ef850547

Transaction

Hash: 64513d074bd27da33d7c1aac5852ea396b257e44181b83a4a03b9300ef850547
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64513d074bd27da33d7c1aac5852ea396b257e44181b83a4a03b9300ef850547:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64513d074bd27da33d7c1aac5852ea396b257e44181b83a4a03b9300ef850547
Status:
ERROR
Block height:
40032678
Block id:
04fbdb95f9022db8ab398f6a31cfff2817f1bea2624e04731756e4cb59bcb703
Timestamp:
Monday 31 October 2022 at 06:48:10 UTC
()
Proposer:
Authorizers:
Gas used:
49