Course Isotope 2

Fatal error: Uncaught Error: Call to undefined function is_woocommerce() in D:\xampp\htdocs\heroenglish\wp-content\themes\eikra\learnpress\addons\course-review\rating-stars.php:15 Stack trace: #0 D:\xampp\htdocs\heroenglish\wp-content\plugins\learnpress\inc\lp-template-functions.php(869): include() #1 D:\xampp\htdocs\heroenglish\wp-content\plugins\learnpress-course-review\inc\functions.php(237): learn_press_get_template('rating-stars.ph...', Array, 'learnpress/addo...', 'D:\\xampp\\htdocs...') #2 D:\xampp\htdocs\heroenglish\wp-content\themes\eikra\learnpress\custom\course-box-2.php(43): learn_press_course_review_template('rating-stars.ph...', Array) #3 D:\xampp\htdocs\heroenglish\wp-content\plugins\learnpress\inc\lp-template-functions.php(869): include('D:\\xampp\\htdocs...') #4 D:\xampp\htdocs\heroenglish\wp-content\plugins\eikra-core\vc-modules\views\course-isotope-1.php(91): learn_press_get_template('custom/course-b...') #5 D:\xampp\htdocs\heroenglish\wp-content\plugins\eikra-core\vc-modules\inc\abstruct.php(39): inclu in D:\xampp\htdocs\heroenglish\wp-content\themes\eikra\learnpress\addons\course-review\rating-stars.php on line 15