Death Note Vol 4 by Tsugumi Ohba

Fatal error: Uncaught TypeError: Unsupported operand types: string / int in /www/wwwroot/bargainbooks.lk/wp-content/plugins/koko_wooCommerce_plugin_Updated/product_display.php:35 Stack trace: #0 /www/wwwroot/bargainbooks.lk/wp-content/plugins/koko_wooCommerce_plugin_Updated/product_display.php(268): koko_calculate_simple_product_installment() #1 /www/wwwroot/bargainbooks.lk/wp-includes/class-wp-hook.php(324): koko_display_price_breakdown() #2 /www/wwwroot/bargainbooks.lk/wp-includes/plugin.php(205): WP_Hook->apply_filters() #3 /www/wwwroot/bargainbooks.lk/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php(1884): apply_filters() #4 /www/wwwroot/bargainbooks.lk/wp-content/themes/flatsome/woocommerce/single-product/price.php(30): WC_Product->get_price_html() #5 /www/wwwroot/bargainbooks.lk/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('...') #6 /www/wwwroot/bargainbooks.lk/wp-content/plugins/woocommerce/includes/wc-template-functions.php(1661): wc_get_template() #7 /www/wwwroot/bargainbooks.lk/wp-includes/class-wp-hook.php(324): woocommerce_template_single_price() #8 /www/wwwroot/bargainbooks.lk/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #9 /www/wwwroot/bargainbooks.lk/wp-includes/plugin.php(517): WP_Hook->do_action() #10 /www/wwwroot/bargainbooks.lk/wp-content/themes/flatsome/woocommerce/single-product/layouts/product.php(30): do_action() #11 /www/wwwroot/bargainbooks.lk/wp-includes/template.php(812): require('...') #12 /www/wwwroot/bargainbooks.lk/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #13 /www/wwwroot/bargainbooks.lk/wp-content/themes/flatsome/woocommerce/content-single-product.php(41): wc_get_template_part() #14 /www/wwwroot/bargainbooks.lk/wp-includes/template.php(812): require('...') #15 /www/wwwroot/bargainbooks.lk/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #16 /www/wwwroot/bargainbooks.lk/wp-content/themes/flatsome/woocommerce/single-product.php(38): wc_get_template_part() #17 /www/wwwroot/bargainbooks.lk/wp-includes/template-loader.php(106): include('...') #18 /www/wwwroot/bargainbooks.lk/wp-blog-header.php(19): require_once('...') #19 /www/wwwroot/bargainbooks.lk/index.php(17): require('...') #20 {main} thrown in /www/wwwroot/bargainbooks.lk/wp-content/plugins/koko_wooCommerce_plugin_Updated/product_display.php on line 35