Flow price: --
02bbcc5b7a153d9564e43d699aec216e225108dd227b6e9a7cee702a87d9d42c

Transaction

Hash: 02bbcc5b7a153d9564e43d699aec216e225108dd227b6e9a7cee702a87d9d42c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02bbcc5b7a153d9564e43d699aec216e225108dd227b6e9a7cee702a87d9d42c: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:
02bbcc5b7a153d9564e43d699aec216e225108dd227b6e9a7cee702a87d9d42c
Status:
ERROR
Block height:
40049613
Block id:
3815a91b38df943f22fefd0c2c023f7bee3d258b54ebfbb76b870aedbe0798c7
Timestamp:
Monday 31 October 2022 at 13:36:31 UTC
()
Proposer:
Authorizers:
Gas used:
48