我需要帮助woocommerce销售点，它给了我这个错误：
致命错误：未捕获错误：在/home/baytacha/public_html/wp-content/plugins/woocommerce/includes/admin/class-wc-admin-notices.php:167中调用未定义的函数wc_get_screen_ids（）堆栈跟踪：＃0 /home/baytacha/public_html/wp-includes/class-wp-hook.php(286):WC_Admin_Notices :: add_notices（＆＃39;＆＃39;）＃1 / home / baytacha / public_html / wp-includes / class-wp-hook.php（310）：WP_Hook-＆gt; apply_filters（NULL，Array）＃2 /home/baytacha/public_html/wp-includes/plugin.php(453）：WP_Hook-＆gt; do_action （数组）＃3 /home/baytacha/public_html/wp-content/plugins/woocommerce-point-of-sale/includes/views/header.php(125）：do_action（＆＃39; admin_print_sty ...＆＃39 ;）＃4 /home/baytacha/public_html/wp-content/plugins/woocommerce-point-of-sale/includes/views/html-admin-pos.php(2）：include_once（＆＃39; / home / baytacha /...'）＃5 /home/baytacha/public_html/wp-content/plugins/woocommerce-point-of-sale/includes/class-wc-pos-sell.php(214）：include_once（＆ ＃39; / home / baytacha /...&# 39;）＃6 / home / baytacha / public_html / wp-includ es / class-wp-hook.php（286）：WC_Pos_Sell-＆gt; template_redirect（＆＃39;＆＃39;）＃7 / home / baytacha / p in / home / baytacha / public_html / wp-content / plugins /第167行的woocommerce / includes / admin / class-wc-admin-notices.php
请帮助