Flow price: --
1a615f976de0a2eb4648930055f9c89cdbd8ca891b8a1e17f0a5cd0aa5871b49

Transaction

Hash: 1a615f976de0a2eb4648930055f9c89cdbd8ca891b8a1e17f0a5cd0aa5871b49
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a615f976de0a2eb4648930055f9c89cdbd8ca891b8a1e17f0a5cd0aa5871b49:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a615f976de0a2eb4648930055f9c89cdbd8ca891b8a1e17f0a5cd0aa5871b49
Status:
ERROR
Block height:
39991399
Block id:
f423fb0a8f8820fbb040b395f6268041c3b77bb09fd5131b8fcdc4783b68857a
Timestamp:
Sunday 30 October 2022 at 14:19:04 UTC
()
Proposer:
Authorizers:
Gas used:
46