Flow price: --
f32f9bf4f9f81666ce6d805813fdf51b3afded25269e7af8c4eb861198b84c7f

Transaction

Hash: f32f9bf4f9f81666ce6d805813fdf51b3afded25269e7af8c4eb861198b84c7f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f32f9bf4f9f81666ce6d805813fdf51b3afded25269e7af8c4eb861198b84c7f: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:
f32f9bf4f9f81666ce6d805813fdf51b3afded25269e7af8c4eb861198b84c7f
Status:
ERROR
Block height:
39975773
Block id:
05d09108486fb2b08cbcdb44a0c773e302fdde32f1304be7e619d1095e2b52d8
Timestamp:
Sunday 30 October 2022 at 08:04:29 UTC
()
Proposer:
Authorizers:
Gas used:
46