Flow price: --
7864c85e37365a5a4503941b3b3af4bb7b5e98d3ad4fde30a4e9a1f0ab6c76ca

Transaction

Hash: 7864c85e37365a5a4503941b3b3af4bb7b5e98d3ad4fde30a4e9a1f0ab6c76ca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7864c85e37365a5a4503941b3b3af4bb7b5e98d3ad4fde30a4e9a1f0ab6c76ca: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:
7864c85e37365a5a4503941b3b3af4bb7b5e98d3ad4fde30a4e9a1f0ab6c76ca
Status:
ERROR
Block height:
39824004
Block id:
f87aff5bd326db54baea3a961af3c2fda20aff06b14d107ab089277b87215baa
Timestamp:
Thursday 27 October 2022 at 19:18:27 UTC
()
Proposer:
Authorizers:
Gas used:
49