Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /var/www/wordpress/wp-content/object-cache.php:712 Stack trace: #0 /var/www/wordpress/wp-content/object-cache.php(722): WP_Object_Cache->flush_prefix() #1 /var/www/wordpress/wp-content/object-cache.php(512): WP_Object_Cache->key() #2 /var/www/wordpress/wp-content/object-cache.php(84): WP_Object_Cache->get() #3 /var/www/wordpress/wp-includes/functions.php(1773): wp_cache_get() #4 /var/www/wordpress/wp-includes/load.php(914): is_blog_installed() #5 /var/www/wordpress/wp-settings.php(175): wp_not_installed() #6 /var/www/wordpress/wp-config.php(92): require_once('...') #7 /var/www/wordpress/wp-load.php(50): require_once('...') #8 /var/www/wordpress/wp-blog-header.php(13): require_once('...') #9 /var/www/wordpress/index.php(17): require('...') #10 {main} thrown in /var/www/wordpress/wp-content/object-cache.php on line 712

Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /var/www/wordpress/wp-content/object-cache.php:712 Stack trace: #0 /var/www/wordpress/wp-content/object-cache.php(722): WP_Object_Cache->flush_prefix() #1 /var/www/wordpress/wp-content/object-cache.php(512): WP_Object_Cache->key() #2 /var/www/wordpress/wp-content/object-cache.php(84): WP_Object_Cache->get() #3 /var/www/wordpress/wp-includes/option.php(612): wp_cache_get() #4 /var/www/wordpress/wp-includes/option.php(164): wp_load_alloptions() #5 /var/www/wordpress/wp-includes/l10n.php(63): get_option() #6 /var/www/wordpress/wp-includes/l10n.php(165): get_locale() #7 /var/www/wordpress/wp-includes/l10n.php(953): determine_locale() #8 /var/www/wordpress/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #9 [internal function]: WP_Fatal_Error_Handler->handle() #10 {main} thrown in /var/www/wordpress/wp-content/object-cache.php on line 712