Flow price: --
1aa4f69d4279e148d4e92ca7fcf9297406499a5841652731cba8b17484e0c637

Transaction

Hash: 1aa4f69d4279e148d4e92ca7fcf9297406499a5841652731cba8b17484e0c637
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1aa4f69d4279e148d4e92ca7fcf9297406499a5841652731cba8b17484e0c637:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1aa4f69d4279e148d4e92ca7fcf9297406499a5841652731cba8b17484e0c637
Status:
ERROR
Block height:
40030679
Block id:
8b79e52eccc6a7c4a318d5839da22eea37fa5fd9cb257a3cb519d56bf0536367
Timestamp:
Monday 31 October 2022 at 05:59:52 UTC
()
Proposer:
Authorizers:
Gas used:
46