Flow price: --
b9fabc5cd8280ac303ef845690fd3471d873276af019a126257e3cf1e7f5ad8d

Transaction

Hash: b9fabc5cd8280ac303ef845690fd3471d873276af019a126257e3cf1e7f5ad8d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9fabc5cd8280ac303ef845690fd3471d873276af019a126257e3cf1e7f5ad8d: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:
b9fabc5cd8280ac303ef845690fd3471d873276af019a126257e3cf1e7f5ad8d
Status:
ERROR
Block height:
39968916
Block id:
8b47d466c48c5dd789233de55ac479cfc9be78c860f46efa506c0be5332663f8
Timestamp:
Sunday 30 October 2022 at 05:19:23 UTC
()
Proposer:
Authorizers:
Gas used:
47