Flow price: --
b47d3fe414c0eee77593f01ba4fb15ca6add6e18bf45ba29789260b022a98658

Transaction

Hash: b47d3fe414c0eee77593f01ba4fb15ca6add6e18bf45ba29789260b022a98658
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b47d3fe414c0eee77593f01ba4fb15ca6add6e18bf45ba29789260b022a98658:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b47d3fe414c0eee77593f01ba4fb15ca6add6e18bf45ba29789260b022a98658
Status:
ERROR
Block height:
39963966
Block id:
461208a5f960623b3217b0ff3a0d59e57e67a7adfda9b67be716924f7d9f2061
Timestamp:
Sunday 30 October 2022 at 03:20:30 UTC
()
Proposer:
Authorizers:
Gas used:
47