Flow price: --
d369e41ea16cad02ad5826ef01ad8f653395c178e4e8b3d493a3d14e7de028fc

Transaction

Hash: d369e41ea16cad02ad5826ef01ad8f653395c178e4e8b3d493a3d14e7de028fc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d369e41ea16cad02ad5826ef01ad8f653395c178e4e8b3d493a3d14e7de028fc: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:
d369e41ea16cad02ad5826ef01ad8f653395c178e4e8b3d493a3d14e7de028fc
Status:
ERROR
Block height:
40030388
Block id:
f81a6cf97340fbac97dd87cd40025a45e1030e61f57241e4f1b3acac74c50d03
Timestamp:
Monday 31 October 2022 at 05:52:40 UTC
()
Proposer:
Authorizers:
Gas used:
48