Flow price: --
358a33466f7dcd24e6360e8e8619071b57c84db4f66c7d9a51ce79e460272694

Transaction

Hash: 358a33466f7dcd24e6360e8e8619071b57c84db4f66c7d9a51ce79e460272694
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 358a33466f7dcd24e6360e8e8619071b57c84db4f66c7d9a51ce79e460272694:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
358a33466f7dcd24e6360e8e8619071b57c84db4f66c7d9a51ce79e460272694
Status:
ERROR
Block height:
40073109
Block id:
fd933efa3f878d2f7a823c6dc21a8c8fb4ce409c4f9b1a0caa9139680cc1e924
Timestamp:
Monday 31 October 2022 at 23:03:08 UTC
()
Proposer:
Authorizers:
Gas used:
46