Flow price: --
919a0adb3f6c1e8af0cbf6c528269f844dea5e125046cc260569c7b0aabf7992

Transaction

Hash: 919a0adb3f6c1e8af0cbf6c528269f844dea5e125046cc260569c7b0aabf7992
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 919a0adb3f6c1e8af0cbf6c528269f844dea5e125046cc260569c7b0aabf7992:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
919a0adb3f6c1e8af0cbf6c528269f844dea5e125046cc260569c7b0aabf7992
Status:
ERROR
Block height:
39854703
Block id:
573e554f7f1654bb7f8be6cbf9b52f742901e8b6710d9f2d73251a10bdfe5c4f
Timestamp:
Friday 28 October 2022 at 07:41:06 UTC
()
Proposer:
Authorizers:
Gas used:
46