Flow price: --
f8043bac494e3b4e411b4c2bd8462a27efa29af5cd85c8088097fe71e1d4bd5f

Transaction

Hash: f8043bac494e3b4e411b4c2bd8462a27efa29af5cd85c8088097fe71e1d4bd5f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8043bac494e3b4e411b4c2bd8462a27efa29af5cd85c8088097fe71e1d4bd5f: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:
f8043bac494e3b4e411b4c2bd8462a27efa29af5cd85c8088097fe71e1d4bd5f
Status:
ERROR
Block height:
40101677
Block id:
f82eaa058193675ca8b072a6796da01c5e152b9b8689ae937e2e6eefd9dceab8
Timestamp:
Tuesday 1 November 2022 at 10:35:46 UTC
()
Proposer:
Authorizers:
Gas used:
47