Fatal error: Namespace declaration statement has to be the very first statement or after any declare call in the script in /home/midkal/domains/artarita.com/public_html/wp-content/plugins/wp-rocket/inc/classes/Buffer/class-cache.php on line 3

Fatal error: Uncaught Error: Call to undefined function username_exists() in /home/midkal/domains/artarita.com/public_html/wp-includes/version.php:114 Stack trace: #0 /home/midkal/domains/artarita.com/public_html/wp-includes/load.php(1499): require() #1 /home/midkal/domains/artarita.com/public_html/wp-includes/class-wp-fatal-error-handler.php(176): wp_load_translations_early() #2 /home/midkal/domains/artarita.com/public_html/wp-includes/class-wp-fatal-error-handler.php(156): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #3 /home/midkal/domains/artarita.com/public_html/wp-includes/class-wp-fatal-error-handler.php(60): WP_Fatal_Error_Handler->display_error_template(Array, false) #4 [internal function]: WP_Fatal_Error_Handler->handle() #5 {main} thrown in /home/midkal/domains/artarita.com/public_html/wp-includes/version.php on line 114