Fatal error: Uncaught Error: Call to undefined function is_le_page() in /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/optimizePressExperiments/src/Experiment.php:78 Stack trace: #0 /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-hook.php(286): OptimizePressStats_Experiment->switchPage(Object(WP_Query)) #1 /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #2 /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #3 /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-query.php(1641): do_action_ref_array('pre_get_posts' in /export/sd201/www/jp/r/e/gmoserver/9/5/sd0493995/hyper-body.com/wordpress-5.0.3-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/optimizePressExperiments/src/Experiment.php on line 78