Flow price: --
d9cc48a9a41253975b1c8422dfe6b022565d1c5b620b88b536e341860944aff0

Transaction

Hash: d9cc48a9a41253975b1c8422dfe6b022565d1c5b620b88b536e341860944aff0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d9cc48a9a41253975b1c8422dfe6b022565d1c5b620b88b536e341860944aff0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d9cc48a9a41253975b1c8422dfe6b022565d1c5b620b88b536e341860944aff0
Status:
ERROR
Block height:
40039822
Block id:
655f465d900e705d0635243c161a38e2dfec01bf4df8dd8909255ac7203a7d12
Timestamp:
Monday 31 October 2022 at 09:39:52 UTC
()
Proposer:
Authorizers:
Gas used:
50