Flow price: --
f6d500a7f44bec00cbcef75b172ca692e5290c68e066648436dd3e590e595583

Transaction

Hash: f6d500a7f44bec00cbcef75b172ca692e5290c68e066648436dd3e590e595583
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6d500a7f44bec00cbcef75b172ca692e5290c68e066648436dd3e590e595583:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f6d500a7f44bec00cbcef75b172ca692e5290c68e066648436dd3e590e595583
Status:
ERROR
Block height:
39883068
Block id:
626a529044290423c4c1ed173e4e9463309cafa877446444577dfc63d99a69e0
Timestamp:
Friday 28 October 2022 at 19:03:05 UTC
()
Proposer:
Authorizers:
Gas used:
50