Flow price: --
f06aa0aad07adf67b780a5f95231a2fc31465a3cb51f9a67e54946a9339b82b5

Transaction

Hash: f06aa0aad07adf67b780a5f95231a2fc31465a3cb51f9a67e54946a9339b82b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f06aa0aad07adf67b780a5f95231a2fc31465a3cb51f9a67e54946a9339b82b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f06aa0aad07adf67b780a5f95231a2fc31465a3cb51f9a67e54946a9339b82b5
Status:
ERROR
Block height:
40135709
Block id:
744a61cd7b4ffdc31cc5313ec2a47022e8f23e5f4ccbfadf1e53d50adb7790d5
Timestamp:
Wednesday 2 November 2022 at 00:26:37 UTC
()
Proposer:
Authorizers:
Gas used:
46