Dropdown Indicator Arrow not shown

Topic closed because of some more issues with the plugin…deleted

We sincerely apologize for your inconvenience.

God bless you.

To fix the problem, in the wp_megamenu_functions.php find the function wpmm_theme_by_selected_nav_id, uncomment the code

if ($selected_theme_id === null){
$selected_theme_id = wpmm_default_theme_id();
}

Thanks a lot @generalli.