Random occurrence of 404s when browsing archive pages of translated CPT

Hi there, my question

**sometimes** the route DOMAIN.de/produkte results in a 404
To fix this I make any change inside of DIVIs Theme builder.

I also add heaps of taxonomies.

Setup is
* current WP
* DIVI Child Theme
* Custom DIVI Theme builder for **Archive Pages** that fire a Shortcode
* [ListProducts] (hopefully irrelevant to this because any routing should been done by now)
* this only contains the global header and footer as well as the shortcode in one Module
* Debug Files
* MU-Plugins below
* Apache with NGINX on Plesk

My question: is there a way of debugging, maybe the order of hooks of WPML and the CPT registration/Plugins?
Can I log the order of PHP Files?

Thank you

My Code:
I register a CPT inside of a plugin: (shortend code)

excerpt of register function

function cpt_products() {
$rewrite = array(
‘slug’ => __(‘produkte’, ‘gill’),
‘with_front’ => true,
‘pages’ => true,
‘feeds’ => true,
register_post_type(‘products’, $args);
add_action(‘init’, ‘cpt_products’, 0);

MU Plugin

require_once ABSPATH . ‘wp-admin/includes/plugin.php’;
if ( is_plugin_active( ‘wp-rest-cache/wp-rest-cache.php’ ) ) {
include_once WP_PLUGIN_DIR . ‘/wp-rest-cache/wp-rest-cache.php’;
} elseif ( file_exists( WPMU_PLUGIN_DIR . ‘/wp-rest-cache/wp-rest-cache.php’ ) ) {
include_once WPMU_PLUGIN_DIR . ‘/wp-rest-cache/wp-rest-cache.php’;
} else {

$wp_rest_cache_api = new \WP_Rest_Cache_Plugin\Includes\API\Endpoint_Api();

**edit** -> formating and order


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