loco translate enfold child on multisite

Hello guys,
i try to find in this forum a and web out there, a solution for this issue and i cant find one =(

Im using enfold-child on my multisite and i need translate contents for pt_BR
i try everything what i find here and nothing happen. Why?

ex:
lang directory on child theme is already fine the translations
child theme already has the info and i try 2 ways, none work, see below.

#1
function overwrite_language_file_child_theme() {
$lang = get_stylesheet_directory().’/lang’;
return $lang;
}
add_filter(‘ava_theme_textdomain_path’, ‘overwrite_language_file_child_theme’);

#2
add_action(‘after_setup_theme’, ‘avia_child_lang_setup’);
function avia_child_lang_setup() {
remove_action(‘after_setup_theme’, ‘avia_lang_setup’);
$lang = get_stylesheet_directory() . ‘/lang’;
load_theme_textdomain(‘avia_framework’, $lang);
}

lang directory has 755 chmod permission. When i try to update from wp-admin panel. Loco plugin says bad request or error.