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Warning: Undefined array key "cat" in /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php on line 1329

Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, null given in /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php:1329 Stack trace: #0 /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php(1329): array_filter() #1 /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php(1185): create_where_plural_cat() #2 /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php(626): create_where_category() #3 /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php(67): create_where_get_data() #4 /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/fe-advanced-search.php(71): search_where_add() #5 /home/hschool/public_html/shizuokaschool/wp-includes/class-wp-hook.php(324): feas_posts_where() #6 /home/hschool/public_html/shizuokaschool/wp-includes/plugin.php(256): WP_Hook->apply_filters() #7 /home/hschool/public_html/shizuokaschool/wp-includes/class-wp-query.php(2784): apply_filters_ref_array() #8 /home/hschool/public_html/shizuokaschool/wp-includes/class-wp-query.php(3949): WP_Query->get_posts() #9 /home/hschool/public_html/shizuokaschool/wp-includes/class-wp.php(701): WP_Query->query() #10 /home/hschool/public_html/shizuokaschool/wp-includes/class-wp.php(821): WP->query_posts() #11 /home/hschool/public_html/shizuokaschool/wp-includes/functions.php(1342): WP->main() #12 /home/hschool/public_html/shizuokaschool/wp-blog-header.php(16): wp() #13 /home/hschool/public_html/shizuokaschool/index.php(17): require('...') #14 {main} thrown in /home/hschool/public_html/shizuokaschool/wp-content/plugins/fe-advanced-search/search-controller.php on line 1329