Fatal error: Uncaught Error: Call to undefined function is_blog_installed() in /usr/home/peuclinic.com/web/wp-includes/load.php:615 Stack trace: #0 /usr/home/peuclinic.com/web/wp-settings.php(144): wp_not_installed() #1 /usr/home/peuclinic.com/web/wp-config.php(89): require_once('/usr/home/peucl...') #2 /usr/home/peuclinic.com/web/wp-load.php(37): require_once('/usr/home/peucl...') #3 /usr/home/peuclinic.com/web/wp-blog-header.php(13): require_once('/usr/home/peucl...') #4 /usr/home/peuclinic.com/web/index.php(17): require('/usr/home/peucl...') #5 {main} thrown in /usr/home/peuclinic.com/web/wp-includes/load.php on line 615 Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'wp_ob_end_flush_all' not found or invalid function name in /usr/home/peuclinic.com/web/wp-includes/class-wp-hook.php on line 286