Flow price: --
5a0f5288438c1057d2d836e14f1266899ab3e5b90e8a54a6a4a0519c56a3968a

Transaction

Hash: 5a0f5288438c1057d2d836e14f1266899ab3e5b90e8a54a6a4a0519c56a3968a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a0f5288438c1057d2d836e14f1266899ab3e5b90e8a54a6a4a0519c56a3968a: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:
5a0f5288438c1057d2d836e14f1266899ab3e5b90e8a54a6a4a0519c56a3968a
Status:
ERROR
Block height:
40153007
Block id:
4b5ab6ff6421445c82e093561593eab7b95e2c8b99baabc0ca71cafdafa757be
Timestamp:
Wednesday 2 November 2022 at 07:27:54 UTC
()
Proposer:
Authorizers:
Gas used:
49