Warning: Undefined variable $books in /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-item-holder.php on line 6

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-item-holder.php:6 Stack trace: #0 /app/wp-content/plugins/qode-lms/lib/helpers-functions.php(89): include() #1 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-list.php(10): qode_lms_get_cpt_shortcode_module_template_part('book', '/app/wp-content...', '', Array, Array) #2 /app/wp-content/plugins/qode-lms/lib/helpers-functions.php(89): include('/app/wp-content...') #3 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-list-holder.php(2): qode_lms_get_cpt_shortcode_module_template_part('book', '/app/wp-content...', '', Array, Array) #4 /app/wp-content/plugins/qode-lms/lib/helpers-functions.php(89): include('/app/wp-content...') #5 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/elementor-book-list.php(516): qode_lms_get_cpt_shortcode_module_template_part('book', '/app/wp-content...', '', Array, Array) #6 /app/wp-content/plugins/elementor/includes/base/controls-stack.php(2374): QodeLmsBookList->render() #7 /app/wp-content/plugins/elementor/includes/base/widget-base.php(636): Elementor\Controls_Stack->render_by_mode() #8 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/parts/other-details.php(292): Elementor\Widget_Base->render_content() #9 /app/wp-content/plugins/qode-lms/lib/helpers-functions.php(89): include('/app/wp-content...') #10 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-details-holder.php(7): qode_lms_get_cpt_shortcode_module_template_part('book', '/app/wp-content...', '', Array, Array) #11 /app/wp-content/plugins/qode-lms/lib/helpers-functions.php(89): include('/app/wp-content...') #12 /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/elementor-book-detail.php(553): qode_lms_get_cpt_shortcode_module_template_part('book', '/app/wp-content...', '', Array, Array) #13 /app/wp-content/plugins/elementor/includes/base/controls-stack.php(2374): QodeLmsBookDetail->render() #14 /app/wp-content/plugins/elementor/includes/base/widget-base.php(636): Elementor\Controls_Stack->render_by_mode() #15 /app/wp-content/plugins/elementor/includes/base/widget-base.php(774): Elementor\Widget_Base->render_content() #16 /app/wp-content/plugins/elementor/includes/base/element-base.php(482): Elementor\Widget_Base->print_content() #17 /app/wp-content/plugins/elementor/modules/element-cache/module.php(74): Elementor\Element_Base->print_element() #18 /app/wp-includes/shortcodes.php(434): Elementor\Modules\ElementCache\Module->Elementor\Modules\ElementCache\{closure}(Array, '', 'elementor-eleme...') #19 [internal function]: do_shortcode_tag(Array) #20 /app/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(elemen...', 'do_shortcode_ta...', '<div class="ele...') #21 /app/wp-content/plugins/elementor/core/base/document.php(1950): do_shortcode('<div class="ele...') #22 /app/wp-content/plugins/elementor/core/base/document.php(1252): Elementor\Core\Base\Document->print_elements(Array) #23 /app/wp-content/plugins/elementor/includes/frontend.php(1203): Elementor\Core\Base\Document->print_elements_with_wrapper(Array) #24 /app/wp-content/plugins/elementor/includes/frontend.php(1098): Elementor\Frontend->get_builder_content(2366) #25 /app/wp-includes/class-wp-hook.php(324): Elementor\Frontend->apply_builder_in_content('<link rel="styl...') #26 /app/wp-includes/plugin.php(205): WP_Hook->apply_filters('<link rel="styl...', Array) #27 /app/wp-includes/post-template.php(256): apply_filters('the_content', '<link rel="styl...') #28 /app/wp-content/themes/bridge/page.php(52): the_content() #29 /app/wp-includes/template-loader.php(106): include('/app/wp-content...') #30 /app/wp-blog-header.php(19): require_once('/app/wp-include...') #31 /app/index.php(17): require('/app/wp-blog-he...') #32 {main} thrown in /app/wp-content/plugins/qode-lms/post-types/book/shortcodes/templates/book-item-holder.php on line 6