show code on product short description cause Fatal Error

Short code is set on the product short description.
Accordion on the product page looks good.
However page that has woocommerce short code for category display caused fatal error.
The category short code is “[products limit=”8″ columns=”4″ category=”chair”]”.
The error i got was as follows.
Best regards,
Fatal error: Uncaught Error: Call to a member function get_price_html() on null in /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/woocommerce/templates/loop/price.php:26 Stack trace: #0 /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/woocommerce/includes/wc-core-functions.php(208): include() #1 /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/woocommerce/includes/wc-template-functions.php(1224): wc_get_template(‘loop/price.php’) #2 /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-hook.php(286): woocommerce_template_loop_price(”) #3 /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-includes/c in /export/sd06/www/jp/r/e/gmoserver/1/3/sd0017713/iberia.softrobo.com/wordpress-4.9.8-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/woocommerce/templates/loop/price.php on line 26

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