Flow price: --
7dcfba663479400c4a0e315d715602069810f291b824b3579a7ce8d2be8c8588

Transaction

Hash: 7dcfba663479400c4a0e315d715602069810f291b824b3579a7ce8d2be8c8588
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7dcfba663479400c4a0e315d715602069810f291b824b3579a7ce8d2be8c8588:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7dcfba663479400c4a0e315d715602069810f291b824b3579a7ce8d2be8c8588
Status:
ERROR
Block height:
39864036
Block id:
c4f32ac6559f185b2c524900fb879147414aefc3866192b5d3a2f63e07d21376
Timestamp:
Friday 28 October 2022 at 11:26:35 UTC
()
Proposer:
Authorizers:
Gas used:
46