Doorlock Systems (Laaddeur)

Fatal error: Uncaught TypeError: Unsupported operand types: float * string in /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/class-wc-tax.php:144 Stack trace: #0 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/class-wc-tax.php(70): WC_Tax::calc_inclusive_tax() #1 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/themes/autosoe/functions.php(64): WC_Tax::calc_tax() #2 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-includes/class-wp-hook.php(324): custom_tax_display_below_price() #3 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #4 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php(1921): apply_filters() #5 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/templates/loop/price.php(25): WC_Product->get_price_html() #6 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('/home/p1215/dom...') #7 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/wc-template-functions.php(1433): wc_get_template() #8 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/themes/autosoe/woocommerce/content-product-list.php(47): woocommerce_template_loop_price() #9 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-includes/template.php(812): require('/home/p1215/dom...') #10 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #11 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/themes/autosoe/woocommerce/archive-product.php(89): wc_get_template_part() #12 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('/home/p1215/dom...') #13 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template() #14 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-includes/template-loader.php(106): include('/home/p1215/dom...') #15 /home/p1215/domains/smulderscarsystems.nl/public_html/wp-blog-header.php(19): require_once('/home/p1215/dom...') #16 /home/p1215/domains/smulderscarsystems.nl/public_html/index.php(17): require('/home/p1215/dom...') #17 {main} thrown in /home/p1215/domains/smulderscarsystems.nl/public_html/wp-content/plugins/woocommerce/includes/class-wc-tax.php on line 144