Conflicts when using a child theme

Hi
when i use an Enfold-Childtheme there are plenty of conflicts:
– WOOB-Filters dont work (woocommerce filter)
– Tag-Groups dont work
and more.

Again
– Enfold parent = works
– Enfold child= does not work

My childtheme does not contain anything that could cause that conflict – there is only a CSS and a functions.php
I tried and removed anything from these two files – expext the necessary.
The issues still remain.
Since there is nothing im my child-theme the issue must come from somewhere in the parent theme or from the settings of my child theme.

Here is the content of the files:
functions:

<?php
/*
* Add your own functions here. You can also copy some of the theme functions into this file. 
* WordPress will use those functions instead of the original functions then.
*/
function enqueue_parent_theme_style() {
      wp_enqueue_style( 'parent-style', get_template_directory_uri().'/style.css' );
}
add_action( 'wp_enqueue_scripts', 'enqueue_parent_theme_style');

/* Proper way to enqueue styles and scripts
 */
function theme_name_scripts() {
	wp_enqueue_style( 'style-name', get_stylesheet_uri() );
}
add_action( 'wp_enqueue_scripts', 'theme_name_scripts' );

/* Activate Avia debug mode */
add_action('avia_builder_mode', "builder_set_debug");
function builder_set_debug()
{
	return "debug";
}
add_filter( 'woocommerce_get_catalog_ordering_args', 'custom_woocommerce_get_catalog_ordering_args' );

function custom_woocommerce_get_catalog_ordering_args( $args ) {
    $orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );

    if ( 'random_list' == $orderby_value ) {
        $args['orderby'] = 'rand';
        $args['order'] = '';
        $args['meta_key'] = '';
    }
    return $args;
}

add_filter( 'woocommerce_default_catalog_orderby_options', 'custom_woocommerce_catalog_orderby' );
add_filter( 'woocommerce_catalog_orderby', 'custom_woocommerce_catalog_orderby' );

function custom_woocommerce_catalog_orderby( $sortby ) {
    $sortby['random_list'] = 'Random';
    return $sortby;
}

My CSS

.woocommerce-product-details__short-description p {margin:0px !important;}
p.stock .woocommerce-product-details__short-description  {display:none!important;}

.product_tag-inland.woocommerce-product-details__short-description::after {
    content: "\A Nur ins Inland. "; 
}
.product_tag-inland.woocommerce-loop-product__title::after {
    content: "\A Nur Inland ";
text-decoration:underline;
white-space: pre;
}