Flow price: --
1799b0edfe288b6ac75e95b44e83328a89bb9bb3e89a9c766e9159a7843304f6

Transaction

Hash: 1799b0edfe288b6ac75e95b44e83328a89bb9bb3e89a9c766e9159a7843304f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1799b0edfe288b6ac75e95b44e83328a89bb9bb3e89a9c766e9159a7843304f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1799b0edfe288b6ac75e95b44e83328a89bb9bb3e89a9c766e9159a7843304f6
Status:
ERROR
Block height:
40030568
Block id:
e4f612f02de0b63033c24de07f1a5d258e20d83cd446a7ce10a8a59d2106f207
Timestamp:
Monday 31 October 2022 at 05:57:02 UTC
()
Proposer:
Authorizers:
Gas used:
49