Fatal error: Uncaught Error: Call to undefined function is_woocommerce() in /home/thesiscris/domains/thesiscrisis.com/public_html/wp-content/plugins/woocommerce/includes/wc-page-functions.php:155 Stack trace: #0 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-includes/class-wp-hook.php(288): wc_nav_menu_item_classes() #1 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-includes/plugin.php(203): WP_Hook->apply_filters() #2 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-includes/nav-menu-template.php(189): apply_filters() #3 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-content/themes/ThesisCrisis/functions.php(575): wp_nav_menu() #4 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-includes/shortcodes.php(319): print_menu_shortcode() #5 [internal function]: do_shortcode_tag() #6 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-includes/shortcodes.php(197): preg_replace_callback() #7 /home/thesiscris/domains/thesiscrisis.com/public_html/wp-content/themes/ThesisCrisis/head in /home/thesiscris/domains/thesiscrisis.com/public_html/wp-content/plugins/woocommerce/includes/wc-page-functions.php on line 155