Fatal error: Uncaught Error: Call to undefined function Members\Admin\members_plugin() in C:\xampp\htdocs\wp-content\plugins\members\admin\class-settings.php:125 Stack trace: #0 C:\xampp\htdocs\wp-content\plugins\members\admin\class-settings.php(99): Members\Admin\Settings_Page->includes() #1 C:\xampp\htdocs\wp-content\plugins\members\admin\class-settings.php(795): Members\Admin\Settings_Page::get_instance() #2 {main} thrown in C:\xampp\htdocs\wp-content\plugins\members\admin\class-settings.php on line 125