Flow price: --
6f5c09668a61a5c630c601ed4bdd0d50bb9eff2f6254ac5f57b6bc1fb7cc02b6

Transaction

Hash: 6f5c09668a61a5c630c601ed4bdd0d50bb9eff2f6254ac5f57b6bc1fb7cc02b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6f5c09668a61a5c630c601ed4bdd0d50bb9eff2f6254ac5f57b6bc1fb7cc02b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6f5c09668a61a5c630c601ed4bdd0d50bb9eff2f6254ac5f57b6bc1fb7cc02b6
Status:
ERROR
Block height:
39738036
Block id:
16948448c6c6fd4e65344ba710b7d53d8e25da7e1a1ad0ed5f9661ab0bff2e0e
Timestamp:
Wednesday 26 October 2022 at 08:37:20 UTC
()
Proposer:
Authorizers:
Gas used:
47