Flow price: --
7bd90f65b8aa55b8c6310cb8b4e5daeb568a1f3e9e2447a8320653b056788678

Transaction

Hash: 7bd90f65b8aa55b8c6310cb8b4e5daeb568a1f3e9e2447a8320653b056788678
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7bd90f65b8aa55b8c6310cb8b4e5daeb568a1f3e9e2447a8320653b056788678:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7bd90f65b8aa55b8c6310cb8b4e5daeb568a1f3e9e2447a8320653b056788678
Status:
ERROR
Block height:
39740004
Block id:
58e22de0e9da93f9714e72503962d0c5d45907b507dd53b9cdaa620323a54f1e
Timestamp:
Wednesday 26 October 2022 at 09:25:16 UTC
()
Proposer:
Authorizers:
Gas used:
47