Fatal error: Uncaught Error: Call to undefined function wp_get_current_user() in /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-includes/capabilities.php:914 Stack trace: #0 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-content/mu-plugins/fix-all-errors.php(817): current_user_can('administrator') #1 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-content/mu-plugins/fix-all-errors.php(55): WP_Ultimate_Optimizer->init_performance_debugger() #2 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-content/mu-plugins/fix-all-errors.php(1056): WP_Ultimate_Optimizer->__construct() #3 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-settings.php(471): include_once('/home/aysanpakh...') #4 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-config.php(63): require_once('/home/aysanpakh...') #5 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-load.php(50): require_once('/home/aysanpakh...') #6 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-blog-header.php(13): require_once('/home/aysanpakh...') #7 /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/index.php(17): require('/home/aysanpakh...') #8 {main} thrown in /home/aysanpakhsh/web/aysanpakhsh.ir/public_html/wp-includes/capabilities.php on line 914