Flow price: --
64c6a4aa0c4bd947105c9f59efc4a2144412a530bfc88c87dc48e795ac71af68

Transaction

Hash: 64c6a4aa0c4bd947105c9f59efc4a2144412a530bfc88c87dc48e795ac71af68
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64c6a4aa0c4bd947105c9f59efc4a2144412a530bfc88c87dc48e795ac71af68:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64c6a4aa0c4bd947105c9f59efc4a2144412a530bfc88c87dc48e795ac71af68
Status:
ERROR
Block height:
40162105
Block id:
b01dbb7a9cf8a415e775d5142098096f9735afaa2c9d27e2e5aac411e7d336de
Timestamp:
Wednesday 2 November 2022 at 11:09:34 UTC
()
Proposer:
Authorizers:
Gas used:
47