Flow price: --
f21c4fe3c877c689eade96592073d991b4343694516d2452f3a9eb08720e7ea5

Transaction

Hash: f21c4fe3c877c689eade96592073d991b4343694516d2452f3a9eb08720e7ea5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f21c4fe3c877c689eade96592073d991b4343694516d2452f3a9eb08720e7ea5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f21c4fe3c877c689eade96592073d991b4343694516d2452f3a9eb08720e7ea5
Status:
ERROR
Block height:
39962639
Block id:
f46c0a218eb3fd8c6fdbc7542e5de05d7ef9db88910a34aa8721bd613a397d88
Timestamp:
Sunday 30 October 2022 at 02:48:38 UTC
()
Proposer:
Authorizers:
Gas used:
48