Flow price: --
510872dca5bb2b069028f0f379375cbfbbae19b90b3155b5301e798669d377f5

Transaction

Hash: 510872dca5bb2b069028f0f379375cbfbbae19b90b3155b5301e798669d377f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 510872dca5bb2b069028f0f379375cbfbbae19b90b3155b5301e798669d377f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
510872dca5bb2b069028f0f379375cbfbbae19b90b3155b5301e798669d377f5
Status:
ERROR
Block height:
40020986
Block id:
11f44b9cdd72deb0363646fcfbc8f18c640e5e23e774d524a49d459b88811f3d
Timestamp:
Monday 31 October 2022 at 02:05:50 UTC
()
Proposer:
Authorizers:
Gas used:
47