Flow price: --
3f8b2f70d4f78d61f83b27243eec6b9f45eb3153d2f95eae5f69d2e1c3161477

Transaction

Hash: 3f8b2f70d4f78d61f83b27243eec6b9f45eb3153d2f95eae5f69d2e1c3161477
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f8b2f70d4f78d61f83b27243eec6b9f45eb3153d2f95eae5f69d2e1c3161477:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f8b2f70d4f78d61f83b27243eec6b9f45eb3153d2f95eae5f69d2e1c3161477
Status:
ERROR
Block height:
39988519
Block id:
5159644aef29ecf8a3761f156edab0195a0665575c0dd37480dc45638d91d5ba
Timestamp:
Sunday 30 October 2022 at 13:09:47 UTC
()
Proposer:
Authorizers:
Gas used:
46