The brush
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Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, bool given in /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/templates/single-product/meta.php:25
Stack trace:
#0 /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/includes/wc-core-functions.php(199): include()
#1 /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/includes/wc-template-functions.php(890): wc_get_template('single-product/...')
#2 /customers/e/f/7/jacoelektro.be/httpd.www/wp-includes/class-wp-hook.php(308): woocommerce_template_single_meta('')
#3 /customers/e/f/7/jacoelektro.be/httpd.www/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#4 /customers/e/f/7/jacoelektro.be/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/templates/content-single-product.php(64): do_action('woocommerce_sin...')
#6 /customers/e/f/7/jacoelektro.be/httpd.www/wp-includes/template.php(785): require('/customers/e/f/...')
#7 /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/includes/wc-core-functions.php(169): load_template('/customers/e/f/...', false)
#8 /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/templates/single-product.php(36): wc_get_template_part('content', 'single-product')
#9 /customers/e/f/7/jacoelektro.be/httpd.www/wp-includes/template-loader.php(106): include('/customers/e/f/...')
#10 /customers/e/f/7/jacoelektro.be/httpd.www/wp-blog-header.php(19): require_once('/customers/e/f/...')
#11 /customers/e/f/7/jacoelektro.be/httpd.www/index.php(17): require('/customers/e/f/...')
#12 {main}
thrown in /customers/e/f/7/jacoelektro.be/httpd.www/wp-content/plugins/woocommerce/templates/single-product/meta.php on line 25