Flow price: --
5e5a45d5745a6e421ae3e96aba4a56e42dab766dbc87e51858669f7f328d3d21

Transaction

Hash: 5e5a45d5745a6e421ae3e96aba4a56e42dab766dbc87e51858669f7f328d3d21
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e5a45d5745a6e421ae3e96aba4a56e42dab766dbc87e51858669f7f328d3d21:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5e5a45d5745a6e421ae3e96aba4a56e42dab766dbc87e51858669f7f328d3d21
Status:
ERROR
Block height:
40017504
Block id:
4e309a17ca338e3740486d8b95e95905f34d517349edcc09acd2354c975c911f
Timestamp:
Monday 31 October 2022 at 00:42:27 UTC
()
Proposer:
Authorizers:
Gas used:
50