Flow price: --
dd6a32d52cb0a4a08ad72da95c87ac4374b2f5742d9d91a5c3b2a9c9b45fdf3e

Transaction

Hash: dd6a32d52cb0a4a08ad72da95c87ac4374b2f5742d9d91a5c3b2a9c9b45fdf3e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd6a32d52cb0a4a08ad72da95c87ac4374b2f5742d9d91a5c3b2a9c9b45fdf3e: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:
dd6a32d52cb0a4a08ad72da95c87ac4374b2f5742d9d91a5c3b2a9c9b45fdf3e
Status:
ERROR
Block height:
40160613
Block id:
e5f8068a8884c98017367c2c7c0d3451979030a1c6662ca347cc6738e10cdbdd
Timestamp:
Wednesday 2 November 2022 at 10:33:27 UTC
()
Proposer:
Authorizers:
Gas used:
50