I had a similar problem and I could fix it with adding this to the functions.php:
add_filter( ‘option_generate_menu_plus_settings’,’lh_custom_homepage_menu_plus_settings’ );
function lh_custom_homepage_menu_plus_settings( $options ) {
if ( is_page() || is_front_page() ) {
$options[‘slideout_menu’] = ‘false’;
}
return $options;
}