Flow price: --
9bb2f9164576d8e9ba6ac41d7e844c2c0b52b2796a15a466074bfa90a5a74efa

Transaction

Hash: 9bb2f9164576d8e9ba6ac41d7e844c2c0b52b2796a15a466074bfa90a5a74efa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9bb2f9164576d8e9ba6ac41d7e844c2c0b52b2796a15a466074bfa90a5a74efa: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:
9bb2f9164576d8e9ba6ac41d7e844c2c0b52b2796a15a466074bfa90a5a74efa
Status:
ERROR
Block height:
39977118
Block id:
a85b9a2a842323944b62558844d76dda6d866a28ae48c8ed5e844c6ed9a75149
Timestamp:
Sunday 30 October 2022 at 08:36:37 UTC
()
Proposer:
Authorizers:
Gas used:
47