Flow price: --
2ac8c16cea83410c0475abf2ccf08fa846fed00412be0d419cc56c342cf96713

Transaction

Hash: 2ac8c16cea83410c0475abf2ccf08fa846fed00412be0d419cc56c342cf96713
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2ac8c16cea83410c0475abf2ccf08fa846fed00412be0d419cc56c342cf96713:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2ac8c16cea83410c0475abf2ccf08fa846fed00412be0d419cc56c342cf96713
Status:
ERROR
Block height:
40099127
Block id:
ce89bc111e4dadad3adf806c9557983d461eda92f9142e149e90f032aa11016f
Timestamp:
Tuesday 1 November 2022 at 09:34:11 UTC
()
Proposer:
Authorizers:
Gas used:
47