i view product show error in Private content
PHP Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, bool given in /srv/htdocs/wp-content/themes/royal/woocommerce/content-product-slider.php:192 Stack trace: #0 /wordpress/core/6.8.2/wp-includes/template.php(812): require() #1 /srv/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php(285): load_template(‘/srv/htdocs/wp-…’, false) #2 /srv/htdocs/wp-content/themes/royal/framework/theme-functions.php(2731): wc_get_template_part(‘content’, ‘product-slider’) #3 /srv/htdocs/wp-content/themes/royal/woocommerce/single-product/up-sells.php(43): etheme_create_slider(Array, Array) #4 /srv/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php(346): include(‘/srv/htdocs/wp-…’) #5 /srv/htdocs/wp-content/plugins/woocommerce/includes/wc-template-functions.php(2355): wc_get_template(‘single-product/…’, Array) #6 /srv/htdocs/wp-content/themes/royal/woocommerce/content-single-product.php(210): woocommerce_upsell_display() #7 /wordpress/core/6.8.2/wp-includes/template.php(812): require(‘/srv/htdocs/wp-…’) #8 /srv/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php(285): load_template(‘/srv/htdocs/wp-…’, false) #9 /srv/htdocs/wp-content/themes/royal/woocommerce/single-product.php(33): wc_get_template_part(‘content’, ‘single-product’) #10 /wordpress/core/6.8.2/wp-includes/template-loader.php(106): include(‘/srv/htdocs/wp-…’) #11 /wordpress/core/6.8.2/wp-blog-header.php(19): require_once(‘/wordpress/core…’) #12 /wordpress/core/6.8.2/index.php(17): require(‘/wordpress/core…’) #13 {main} thrown in /srv/htdocs/wp-content/themes/royal/woocommerce/content-product-slider.php on line 192
