Flow price: --
f1d577dcb52c08644cf43d0bb8141f6383a9fa5aa029f0036b6c814a6c394306

Transaction

Hash: f1d577dcb52c08644cf43d0bb8141f6383a9fa5aa029f0036b6c814a6c394306
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1d577dcb52c08644cf43d0bb8141f6383a9fa5aa029f0036b6c814a6c394306:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1d577dcb52c08644cf43d0bb8141f6383a9fa5aa029f0036b6c814a6c394306
Status:
ERROR
Block height:
40151183
Block id:
38e23db7339cf663897482de274a45dcdc643a79a16e03db6865642d11183e15
Timestamp:
Wednesday 2 November 2022 at 06:43:15 UTC
()
Proposer:
Authorizers:
Gas used:
47