Flow price: --
5cfd77392f6bb22b6e107222c138873a0d6a3bf79a543fc6c640e136e8c6ae95

Transaction

Hash: 5cfd77392f6bb22b6e107222c138873a0d6a3bf79a543fc6c640e136e8c6ae95
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5cfd77392f6bb22b6e107222c138873a0d6a3bf79a543fc6c640e136e8c6ae95:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5cfd77392f6bb22b6e107222c138873a0d6a3bf79a543fc6c640e136e8c6ae95
Status:
ERROR
Block height:
39741845
Block id:
937eb8fcd502dd58c443d1a543f88db9876e203fe8e126bed36b8b44fb4bd951
Timestamp:
Wednesday 26 October 2022 at 10:09:37 UTC
()
Proposer:
Authorizers:
Gas used:
50