Flow price: --
86c6c2a76d587e3da7b0e41e721e73a99c6b0e3467f857bb8a1bc11ec4f9d21a

Transaction

Hash: 86c6c2a76d587e3da7b0e41e721e73a99c6b0e3467f857bb8a1bc11ec4f9d21a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86c6c2a76d587e3da7b0e41e721e73a99c6b0e3467f857bb8a1bc11ec4f9d21a: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:
86c6c2a76d587e3da7b0e41e721e73a99c6b0e3467f857bb8a1bc11ec4f9d21a
Status:
ERROR
Block height:
39861399
Block id:
3226510229435ec864a25c8e4138bbe3e9575f70c4f7f28552379bf06425affd
Timestamp:
Friday 28 October 2022 at 10:22:41 UTC
()
Proposer:
Authorizers:
Gas used:
47