Flow price: --
670b14f219d8edadc269a0f3fd5b828c0721dce59e907b7756e15986dd825e4c

Transaction

Hash: 670b14f219d8edadc269a0f3fd5b828c0721dce59e907b7756e15986dd825e4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 670b14f219d8edadc269a0f3fd5b828c0721dce59e907b7756e15986dd825e4c: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:
670b14f219d8edadc269a0f3fd5b828c0721dce59e907b7756e15986dd825e4c
Status:
ERROR
Block height:
39976450
Block id:
eb434fcd5e641a963e9493769028a90e065313e898733ca841c8224f66af81cb
Timestamp:
Sunday 30 October 2022 at 08:20:57 UTC
()
Proposer:
Authorizers:
Gas used:
50