Flow price: --
4158908b8f87e58e8d16e4826bccb8d2fe1e9c553807f5b58db96f8e427e1e18

Transaction

Hash: 4158908b8f87e58e8d16e4826bccb8d2fe1e9c553807f5b58db96f8e427e1e18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4158908b8f87e58e8d16e4826bccb8d2fe1e9c553807f5b58db96f8e427e1e18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4158908b8f87e58e8d16e4826bccb8d2fe1e9c553807f5b58db96f8e427e1e18
Status:
ERROR
Block height:
40147529
Block id:
32af162cb445212ef4f567da8069837c89b2e81bceded247242ebf8b65829124
Timestamp:
Wednesday 2 November 2022 at 05:13:54 UTC
()
Proposer:
Authorizers:
Gas used:
46