Flow price: --
4c89c8d975de07ce883ad8a751b54ec059d714e800877d2b61e1209bdb109c33

Transaction

Hash: 4c89c8d975de07ce883ad8a751b54ec059d714e800877d2b61e1209bdb109c33
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c89c8d975de07ce883ad8a751b54ec059d714e800877d2b61e1209bdb109c33:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4c89c8d975de07ce883ad8a751b54ec059d714e800877d2b61e1209bdb109c33
Status:
ERROR
Block height:
39810942
Block id:
2daf879f0ded08a64e40045bc1824724c32e46f7096bd803bc1796083d8dcf9f
Timestamp:
Thursday 27 October 2022 at 14:00:37 UTC
()
Proposer:
Authorizers:
Gas used:
49