Flow price: --
f38eff13e64a0766af99a816e86b3b05c871bf9aff5f936dfa1f6a2e459d3e45

Transaction

Hash: f38eff13e64a0766af99a816e86b3b05c871bf9aff5f936dfa1f6a2e459d3e45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f38eff13e64a0766af99a816e86b3b05c871bf9aff5f936dfa1f6a2e459d3e45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f38eff13e64a0766af99a816e86b3b05c871bf9aff5f936dfa1f6a2e459d3e45
Status:
ERROR
Block height:
39872545
Block id:
53500684aa577f8a65ed9569fc86be709d413c23ac1edaaa4c4159f0c9116b9b
Timestamp:
Friday 28 October 2022 at 14:50:58 UTC
()
Proposer:
Authorizers:
Gas used:
47