ERREUR ATOUPRO

On component : localisation/arrondissment/cat0

Error: 2 Undefined variable $id_cat3

StackTrace #0 /var/www/vhosts/www.atoupro.com/system/components/localisation/arrondissment/cat0.php(23): Whoops\Run->handleError()
#1 /var/www/vhosts/www.atoupro.com/index.php(163): require_once('...')
#2 {main}

GET

Array
(
    [component] => localisation/arrondissment/cat0
    [num_dep] => 36
    [name_dep] => Indre
    [name_arr] => La Châtre
    [id_arr] => 98
    [url] => 36-Indre/La Châtre-arrondissement-98.html
)