Fatal error: Uncaught Error: Call to undefined function is_blog_installed() in /var/www/html/isgw/wp-includes/load.php:755 Stack trace: #0 /var/www/html/isgw/wp-settings.php(159): wp_not_installed() #1 /var/www/html/isgw/wp-config.php(114): require_once('/var/www/html/i...') #2 /var/www/html/isgw/wp-load.php(50): require_once('/var/www/html/i...') #3 /var/www/html/isgw/wp-blog-header.php(13): require_once('/var/www/html/i...') #4 /var/www/html/isgw/index.php(17): require('/var/www/html/i...') #5 {main} thrown in /var/www/html/isgw/wp-includes/load.php on line 755

Fatal error: Uncaught Error: Call to undefined function maybe_unserialize() in /var/www/html/isgw/wp-includes/option.php:228 Stack trace: #0 /var/www/html/isgw/wp-includes/l10n.php(63): get_option() #1 /var/www/html/isgw/wp-includes/l10n.php(137): get_locale() #2 /var/www/html/isgw/wp-includes/l10n.php(835): determine_locale() #3 /var/www/html/isgw/wp-includes/class-wp-fatal-error-handler.php(46): load_default_textdomain() #4 [internal function]: WP_Fatal_Error_Handler->handle() #5 {main} thrown in /var/www/html/isgw/wp-includes/option.php on line 228