PHP Fatal error: Uncaught Error: Call to undefined function wp_get_current_user() in E:\fanyi\wwwroot\wp-includes\class-wp.php:611

访问网站出现下列错误：

PHP Fatal error:  Uncaught Error: Call to undefined function wp_get_current_user() in E:\fanyi\wwwroot\wp-includes\class-wp.php:611
Stack trace:
#0 E:\fanyi\wwwroot\wp-settings.php(527): WP->init()
#1 E:\fanyi\wwwroot\wp-config.php(93): require_once('D:\\wwwroot\\duji...')
#2 E:\fanyi\wwwroot\wp-load.php(37): require_once('D:\\wwwroot\\duji...')
#3 E:\fanyi\wwwroot\wp-blog-header.php(13): require_once('D:\\wwwroot\\duji...')
#4 E:\fanyi\wwwroot\index.php(17): require('D:\\wwwroot\\duji...')
#5 {main}
  thrown in E:\fanyi\wwwroot\wp-includes\class-wp.php on line 611

经检查，未修改相关代码，无法找到问题所在。

最后，重启服务器，问题解决。