Fatal error: Uncaught TypeError: json_decode(): Argument #1 ($json) must be of type string, array given in /var/www/wp-content/plugins/learndash-course-grid/includes/class-compatibility.php:62 Stack trace: #0 /var/www/wp-content/plugins/learndash-course-grid/includes/class-compatibility.php(62): json_decode(Array, true) #1 /var/www/wp-includes/class-wp-hook.php(324): LearnDash\Course_Grid\Compatibility->elementor_post_extra_course_grids(Array, Object(WP_Post)) #2 /var/www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #3 /var/www/wp-content/plugins/learndash-course-grid/includes/class-skins.php(404): apply_filters('learndash_cours...', Array, Object(WP_Post)) #4 /var/www/wp-includes/class-wp-hook.php(324): LearnDash\Course_Grid\Skins->enqueue_skin_assets('') #5 /var/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #6 /var/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /var/www/wp-includes/script-loader.php(2262): do_action('wp_enqueue_scri...') #8 /var/www/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts('') #9 /var/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #10 /var/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11 /var/www/wp-includes/general-template.php(3052): do_action('wp_head') #12 /var/www/wp-content/themes/astra/header.php(31): wp_head() #13 /var/www/wp-includes/template.php(790): require_once('/var/www/wp-con...') #14 /var/www/wp-includes/template.php(725): load_template('/var/www/wp-con...', true, Array) #15 /var/www/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #16 /var/www/wp-content/themes/astra/404.php(15): get_header() #17 /var/www/wp-includes/template-loader.php(106): include('/var/www/wp-con...') #18 /var/www/wp-blog-header.php(19): require_once('/var/www/wp-inc...') #19 /var/www/index.php(17): require('/var/www/wp-blo...') #20 {main} thrown in /var/www/wp-content/plugins/learndash-course-grid/includes/class-compatibility.php on line 62
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