Flow price: --
bedf914c340a56a2034a9bd29f729b4d2eefbbb10ccf3a9d450eab59e1318191

Transaction

Hash: bedf914c340a56a2034a9bd29f729b4d2eefbbb10ccf3a9d450eab59e1318191
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bedf914c340a56a2034a9bd29f729b4d2eefbbb10ccf3a9d450eab59e1318191:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bedf914c340a56a2034a9bd29f729b4d2eefbbb10ccf3a9d450eab59e1318191
Status:
ERROR
Block height:
40144519
Block id:
49878013cdbe12a3e95bd82a7fbd8ac2434f95e3668a4c8a3de9836ad83c0147
Timestamp:
Wednesday 2 November 2022 at 04:00:16 UTC
()
Proposer:
Authorizers:
Gas used:
47