Title: joncampbell's Replies | WordPress.org --- # joncampbell [ ](https://wordpress.org/support/users/joncampbell/) * [Profile](https://wordpress.org/support/users/joncampbell/) * [Topics Started](https://wordpress.org/support/users/joncampbell/topics/) * [Replies Created](https://wordpress.org/support/users/joncampbell/replies/) * [Reviews Written](https://wordpress.org/support/users/joncampbell/reviews/) * [Topics Replied To](https://wordpress.org/support/users/joncampbell/replied-to/) * [Engagements](https://wordpress.org/support/users/joncampbell/engagements/) * [Favorites](https://wordpress.org/support/users/joncampbell/favorites/) Search replies: ## Forum Replies Created Viewing 15 replies - 1 through 15 (of 18 total) 1 [2](https://wordpress.org/support/users/joncampbell/replies/page/2/?output_format=md) [→](https://wordpress.org/support/users/joncampbell/replies/page/2/?output_format=md) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Sensei LMS - Online Courses, Quizzes, & Learning] Fatal error ($array) cannot be empty in /class-sensei-lesson.php:383](https://wordpress.org/support/topic/fatal-error-array-cannot-be-empty-in-class-sensei-lesson-php383/) * [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [1 year, 3 months ago](https://wordpress.org/support/topic/fatal-error-array-cannot-be-empty-in-class-sensei-lesson-php383/#post-18246256) * [@dericleeyy](https://wordpress.org/support/users/dericleeyy/) I installed Twenty Twenty-Five and Health Check and did the troubleshooting.I then went to the Students area of the admin and Reset Progress on a user and it causes a fatal error still:[ 15-Jan-2025 20:03:18 UTC] PHP Fatal error: Uncaught ValueError: array_rand(): Argument #1 ($array) cannot be empty in /wp-content/plugins/woothemes-sensei/ plugins/sensei-lms/includes/class-sensei-lesson.php:3832Stack trace: 0 /wp-content/ plugins/woothemes-sensei/plugins/sensei-lms/includes/class-sensei-lesson.php( 3832): array_rand(Array, 0) 1 /wp-content/plugins/woothemes-sensei/plugins/sensei- lms/includes/class-sensei-utils.php(733): Sensei_Lesson->lesson_quiz_questions(‘ 10055172’) 2 /wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/ class-sensei-utils.php(811): Sensei_Utils::sensei_get_quiz_questions(10055172) 3 /wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/class-sensei- utils.php(660): Sensei_Utils::sensei_delete_quiz_answers(10055172, 3405) 4 /wp- content/plugins/woothemes-sensei/plugins/sensei-lms/includes/class-sensei-utils. php(706): Sensei_Utils::sensei_remove_user_from_lesson(10055171, 3405, true) 5 /wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/class-sensei- utils.php(2818): Sensei_Utils::sensei_remove_user_from_course(85579, 3405) 6 / wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/rest-api/class- sensei-rest-api-course-progress-controller.php(81): Sensei_Utils::reset_course_for_user( 85579, 3405) 7 /wp-includes/rest-api/class-wp-rest-server.php(1292): Sensei_REST_API_Course_Progress_Controller- >batch_delete_items(Object(WP_REST_Request)) 8 /wp-includes/rest-api/class-wp- rest-server.php(1125): WP_REST_Server->respond_to_request(Object(WP_REST_Request),‘/ sensei-interna…’, Array, NULL) 9 /wp-includes/rest-api/class-wp-rest-server.php( 439): WP_REST_Server->dispatch(Object(WP_REST_Request)) 10 /wp-includes/rest- api.php(449): WP_REST_Server->serve_request(‘/sensei-interna…’) 11 /wp-includes/ class-wp-hook.php(324): rest_api_loaded(Object(WP)) 12 /wp-includes/class-wp- hook.php(348): WP_Hook->apply_filters(”, Array) 13 /wp-includes/plugin.php(565): WP_Hook->do_action(Array) 14 /wp-includes/class-wp.php(418): do_action_ref_array(‘ parse_request’, Array) 15 /wp-includes/class-wp.php(813): WP->parse_request(”) 16 /wp-includes/functions.php(1336): WP->main(”) 17 /wp-blog-header.php(16): wp() 18 /index.php(17): require(‘/Users/jon…..’) 19 {main} * thrown in /wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/class- sensei-lesson.php on line 3832 - This reply was modified 1 year, 3 months ago by [joncampbell](https://wordpress.org/support/users/joncampbell/). * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Sensei LMS - Online Courses, Quizzes, & Learning] Fatal error ($array) cannot be empty in /class-sensei-lesson.php:383](https://wordpress.org/support/topic/fatal-error-array-cannot-be-empty-in-class-sensei-lesson-php383/) * [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-array-cannot-be-empty-in-class-sensei-lesson-php383/#post-18233249) * On our site when we remove a user from a course, here is the relevant stack trace: * class-sensei-lesson.php(3832): array_rand(Array, 0) class-sensei-utils.php(733): Sensei_Lesson->lesson_quiz_questions(‘10055172’)class-sensei-utils.php(811): Sensei_Utils::sensei_get_quiz_questions(10055172)class-sensei-utils.php(660): Sensei_Utils::sensei_delete_quiz_answers(10055172, 3405)class-sensei-utils.php( 706): Sensei_Utils::sensei_remove_user_from_lesson(10055171, 3405, true)class- sensei-utils.php(2818): Sensei_Utils::sensei_remove_user_from_course(85579, 3405) Seems like to remove the user from the course it wants to delete their quiz answers but to do that it gets the lesson_quiz_questions but in our case the $questions_array used in this code is empty: * $selected_questions = _array\_rand_( $questions_array,$show_questions > $questions_count? $questions_count : $show_questions);And it errors out because it can’t randomize an empty array. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Custom Product Tabs for WooCommerce] Automatic jumping to first tab](https://wordpress.org/support/topic/automatic-jumping-to-first-tab/) * Thread Starter [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [2 years, 3 months ago](https://wordpress.org/support/topic/automatic-jumping-to-first-tab/#post-17376811) * [@trose1189](https://wordpress.org/support/users/trose1189/), no, we have just stuck to the older version of Woo for now. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Custom Product Tabs for WooCommerce] Automatic jumping to first tab](https://wordpress.org/support/topic/automatic-jumping-to-first-tab/) * Thread Starter [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [2 years, 4 months ago](https://wordpress.org/support/topic/automatic-jumping-to-first-tab/#post-17306165) * To add some more context, in WooCommerce 8.2.2 this was not a problem, it is only since WooCommerce 8.3.x. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Checkout Field Manager (Checkout Manager) for WooCommerce] Conflict with Teams for WooCommerce Memberships](https://wordpress.org/support/topic/conflict-with-teams-for-woocommerce-memberships/) * [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [4 years, 2 months ago](https://wordpress.org/support/topic/conflict-with-teams-for-woocommerce-memberships/#post-15397662) * [@erostad](https://wordpress.org/support/users/erostad/) * A few years ago they changed the plugin so that the VALUE of select fields is set to the LABEL of the select fields. This will break the role field that is outputted by teams because the plugin filters those fields. * This change doesn’t just affect custom fields created by their plugin, but it breaks other fields created by WooCommerce itself or other plugins. It’s terrible. You may have to manually fix the file and use your own fork of the plugin if you want to have the two work nicely together. * Where they made the change: [https://plugins.trac.wordpress.org/changeset/2276797/woocommerce-checkout-manager/trunk/includes/view/frontend/class-wooccm-fields-filters.php](https://plugins.trac.wordpress.org/changeset/2276797/woocommerce-checkout-manager/trunk/includes/view/frontend/class-wooccm-fields-filters.php) * A few related threads: [https://wordpress.org/support/topic/error-in-class-wooccm-fields-filters-php/](https://wordpress.org/support/topic/error-in-class-wooccm-fields-filters-php/) [https://wordpress.org/support/topic/incompatibility-with-other-plugins-8/](https://wordpress.org/support/topic/incompatibility-with-other-plugins-8/) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Checkout Field Manager (Checkout Manager) for WooCommerce] Your plugin broke fields for other plugins](https://wordpress.org/support/topic/your-plugin-broke-fields-for-other-plugins/) * [joncampbell](https://wordpress.org/support/users/joncampbell/) * (@joncampbell) * [4 years, 8 months ago](https://wordpress.org/support/topic/your-plugin-broke-fields-for-other-plugins/#post-14872646) * Hey [@wppunk](https://wordpress.org/support/users/wppunk/) They broke this a year and a half ago by changing the value of