Verification error

[eluser]joedy[/eluser]
It means there is no object you want to get.

$query->result() is used to returns as an array of "objects".

so it shouldn't be like this $subcategoria[0]->id_sub,

its $subcategoria->id_sub

I suggest You to show the data return 1st before doing next process. You can use print_r($subcsategoria);