Fatal error : Uncaught Error: strtolower(): Argument #1 ($string) must be of type string, array given in /var/www/wp-content/plugins/woocommerce/includes/wc-formatting-functions.php on line 24
Call stack:
strtolower()
wp-content/plugins/woocommerce/includes/wc-formatting-functions.php:24 wc_string_to_bool()
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php:955 WC_Product::set_manage_stock()
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-data.php:738 WC_Data::set_props()
wp-content/plugins/woocommerce/includes/data-stores/class-wc-product-variation-data-store-cpt.php:375 WC_Product_Variation_Data_Store_CPT::read_product_data()
wp-content/plugins/woocommerce/includes/data-stores/class-wc-product-variation-data-store-cpt.php:81 WC_Product_Variation_Data_Store_CPT::read()
wp-content/plugins/woocommerce/includes/class-wc-data-store.php:159 WC_Data_Store::read()
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php:138 WC_Product::__construct()
wp-content/plugins/woocommerce/includes/class-wc-product-simple.php:24 WC_Product_Simple::__construct()
wp-content/plugins/woocommerce/includes/class-wc-product-variation.php:54 WC_Product_Variation::__construct()
wp-content/plugins/woocommerce/includes/class-wc-product-factory.php:46 WC_Product_Factory::get_product()
wp-content/plugins/woocommerce/includes/wc-product-functions.php:72 wc_get_product()
wp-content/plugins/woocommerce/includes/data-stores/class-wc-product-variable-data-store-cpt.php:299 WC_Product_Variable_Data_Store_CPT::read_price_data()
wp-content/plugins/woocommerce/includes/class-wc-data-store.php:224 WC_Data_Store::__call()
wp-content/plugins/woocommerce/includes/class-wc-product-variable.php:81 WC_Product_Variable::get_variation_prices()
wp-content/plugins/woocommerce/includes/class-wc-product-variable.php:492 WC_Product_Variable::is_on_sale()
wp-content/plugins/woocommerce/includes/wc-template-functions.php:527 wc_product_post_class()
wp-includes/class-wp-hook.php:308 WP_Hook::apply_filters()
wp-includes/plugin.php:205 apply_filters()
wp-includes/post-template.php:602 get_post_class()
wp-includes/post-template.php:462 post_class()
wp-content/themes/grappa/woocommerce/content-product.php:54 require()
wp-includes/template.php:785 load_template()
wp-content/plugins/woocommerce/includes/wc-core-functions.php:284 wc_get_template_part()
wp-content/themes/grappa/functions.php:1641 grappaLoopProducts()
wp-content/themes/grappa/woocommerce/taxonomy-product_cat.php:143 include()
wp-includes/template-loader.php:106 require_once()
wp-blog-header.php:19 require()
index.php:17