Flow price: --
7004a07ec7a3efaa5b8fe129d0e77466f0fcce8c54667a04bb6c10db049f4e96

Transaction

Hash: 7004a07ec7a3efaa5b8fe129d0e77466f0fcce8c54667a04bb6c10db049f4e96
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7004a07ec7a3efaa5b8fe129d0e77466f0fcce8c54667a04bb6c10db049f4e96:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7004a07ec7a3efaa5b8fe129d0e77466f0fcce8c54667a04bb6c10db049f4e96
Status:
ERROR
Block height:
40068185
Block id:
051ec07519074360da9a35961bac829aad7c9c52bab57475151a46359f482aac
Timestamp:
Monday 31 October 2022 at 21:06:49 UTC
()
Proposer:
Authorizers:
Gas used:
65