Flow price: --
6dae702a9a337b77b8e5911058ad8fe6865c38ea5a01583f5dde5d41c41ae192

Transaction

Hash: 6dae702a9a337b77b8e5911058ad8fe6865c38ea5a01583f5dde5d41c41ae192
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6dae702a9a337b77b8e5911058ad8fe6865c38ea5a01583f5dde5d41c41ae192:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6dae702a9a337b77b8e5911058ad8fe6865c38ea5a01583f5dde5d41c41ae192
Status:
ERROR
Block height:
39979515
Block id:
54e25117e4496b9fcd96cc56404c248df222b4fe49e268ab953cf16445d3b5fc
Timestamp:
Sunday 30 October 2022 at 09:34:12 UTC
()
Proposer:
Authorizers:
Gas used:
53