Flow price: --
b849e8abce4e2307a7dd24d50523e61b8ed918478ae01e180b556a32187c0525

Transaction

Hash: b849e8abce4e2307a7dd24d50523e61b8ed918478ae01e180b556a32187c0525
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b849e8abce4e2307a7dd24d50523e61b8ed918478ae01e180b556a32187c0525:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b849e8abce4e2307a7dd24d50523e61b8ed918478ae01e180b556a32187c0525
Status:
ERROR
Block height:
40150801
Block id:
9e8862643eb77cc8511bc097f2217803b714f948e6db247cc71b1c52e304b779
Timestamp:
Wednesday 2 November 2022 at 06:33:57 UTC
()
Proposer:
Authorizers:
Gas used:
48