Flow price: --
f242c6ec1f65c8a8d81dbf8f7a4446bbc18ed4ce2b23512e4a04ec7b392a4547

Transaction

Hash: f242c6ec1f65c8a8d81dbf8f7a4446bbc18ed4ce2b23512e4a04ec7b392a4547
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f242c6ec1f65c8a8d81dbf8f7a4446bbc18ed4ce2b23512e4a04ec7b392a4547:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f242c6ec1f65c8a8d81dbf8f7a4446bbc18ed4ce2b23512e4a04ec7b392a4547
Status:
ERROR
Block height:
40110497
Block id:
6ca4aad6362daae133a7a37f7a36ae9a83d681e07f836af6552e6fabe738836d
Timestamp:
Tuesday 1 November 2022 at 14:10:06 UTC
()
Proposer:
Authorizers:
Gas used:
47