Flow price: --
0c7c9d460f57a516a9e387d67c8fc5c53ffe44e9246e5f8867a5c06fd5649150

Transaction

Hash: 0c7c9d460f57a516a9e387d67c8fc5c53ffe44e9246e5f8867a5c06fd5649150
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0c7c9d460f57a516a9e387d67c8fc5c53ffe44e9246e5f8867a5c06fd5649150:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0c7c9d460f57a516a9e387d67c8fc5c53ffe44e9246e5f8867a5c06fd5649150
Status:
ERROR
Block height:
39858725
Block id:
0fb9eb0c9030b2226ab7fb0e5375f81447b8f798f29af38eda24a760ae4efc17
Timestamp:
Friday 28 October 2022 at 09:18:07 UTC
()
Proposer:
Authorizers:
Gas used:
50