我在尝试访问WP admin上的Permalinks部分时收到以下错误。页面不会加载，而是显示错误消息。我无法理解这意味着什么或必须做什么。任何想法都将受到赞赏并提前表示感谢。

 Fatal error: Uncaught Error: Call to undefined function
 apache_get_modules() in
 /home/customer/www/mydomain.com/public_html/wp-includes/functions.php:5283
 Stack trace: #0
 /home/customer/www/mydomain.com/public_html/wp-admin/includes/misc.php(17):
 apache_mod_loaded(\'mod_rewrite\', true) #1
 /home/customer/www/mydomain.com/public_html/wp-admin/includes/misc.php(46):
 got_mod_rewrite() #2
 /home/customer/www/mydomain.com/public_html/wp-admin/options-permalink.php(71):
 got_url_rewrite() #3 {main} thrown in
 /home/customer/www/mydomain.com/public_html/wp-includes/functions.php
 on line 5283