( ! ) Fatal error: Uncaught Error: Call to a member function add_rewrite_tag() on null in /home/tecteslabd/public_html/wp-includes/rewrite.php on line 176
( ! ) Error: Call to a member function add_rewrite_tag() on null in /home/tecteslabd/public_html/wp-includes/rewrite.php on line 176
Call Stack
#	Time	Memory	Function	Location
1	0.0002	362896	{main}( )	.../index.php:0
2	0.0003	363176	require( '/home/tecteslabd/public_html/wp-blog-header.php )	.../index.php:17
3	0.0003	363560	require_once( '/home/tecteslabd/public_html/wp-load.php )	.../wp-blog-header.php:13
4	0.0004	364248	require_once( '/home/tecteslabd/public_html/wp-config.php )	.../wp-load.php:50
5	0.0004	365784	require_once( '/home/tecteslabd/public_html/wp-settings.php )	.../wp-config.php:99
6	0.0540	4297072	include_once( '/home/tecteslabd/public_html/wp-content/plugins/ihk-stock-products-complete/ihk-stock-products-complete.php )	.../wp-settings.php:545
7	0.0541	4297584	require_once( '/home/tecteslabd/public_html/wp-content/plugins/ihk-stock-products-complete/includes/post-types.php )	.../ihk-stock-products-complete.php:14
8	0.0541	4297584	register_taxonomy( $taxonomy = 'product_cat', $object_type = 'ihk_stock_product', $args = ['label' => 'Product Categories', 'hierarchical' => TRUE, 'rewrite' => ['slug' => 'product-category'], 'show_in_rest' => TRUE, 'public' => TRUE] )	.../post-types.php:3
9	0.0544	4302400	WP_Taxonomy->add_rewrite_rules( )	.../taxonomy.php:533
10	0.0544	4302480	add_rewrite_tag( $tag = '%product_cat%', $regex = '([^/]+)', $query = 'product_cat=' )	.../class-wp-taxonomy.php:513