Flow price: --
f64c0f4c59aaabc79500b50c0d58dd4c8aa07b0ca24f0a01da697964c728debd

Transaction

Hash: f64c0f4c59aaabc79500b50c0d58dd4c8aa07b0ca24f0a01da697964c728debd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f64c0f4c59aaabc79500b50c0d58dd4c8aa07b0ca24f0a01da697964c728debd: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:
f64c0f4c59aaabc79500b50c0d58dd4c8aa07b0ca24f0a01da697964c728debd
Status:
ERROR
Block height:
40047072
Block id:
86ce0520f32025de4ca69f216685b0af3853966faf796f38f4f93508db53ade8
Timestamp:
Monday 31 October 2022 at 12:35:22 UTC
()
Proposer:
Authorizers:
Gas used:
46