Fatal error: Uncaught Error: Call to a member function get() on null in /var/www/html/wp-content/object-cache.php:193
Stack trace:
#0 /var/www/html/wp-includes/class-wp-textdomain-registry.php(187): wp_cache_get('546dfc5b46404d9...', 'translation_fil...')
#1 /var/www/html/wp-includes/class-wp-textdomain-registry.php(302): WP_Textdomain_Registry->get_language_files_from_path('/var/www/html/w...')
#2 /var/www/html/wp-includes/class-wp-textdomain-registry.php(98): WP_Textdomain_Registry->get_path_from_lang_dir('redis-cache', 'en_US')
#3 /var/www/html/wp-includes/l10n.php(1354): WP_Textdomain_Registry->get('redis-cache', 'en_US')
#4 /var/www/html/wp-includes/l10n.php(1384): _load_textdomain_just_in_time('redis-cache')
#5 /var/www/html/wp-includes/l10n.php(194): get_translations_for_domain('redis-cache')
#6 /var/www/html/wp-includes/l10n.php(306): translate('Error establish...', 'redis-cache')
#7 /var/www/html/wp-content/object-cache.php(2974): __('Error establish...', 'redis-cache')
#8 /var/www/html/wp-content/object-cache.php(2940): WP_Object_Cache->show_error_and_die(Object(RedisException))
#9 /var/www/html/wp-content/object-cache.php(566): WP_Object_Cache->handle_exception(Object(RedisException))
#10 /var/www/html/wp-content/object-cache.php(256): WP_Object_Cache->__construct(false)
#11 /var/www/html/wp-includes/load.php(860): wp_cache_init()
#12 /var/www/html/wp-settings.php(144): wp_start_object_cache()
#13 /var/www/html/wp-config.php(122): require_once('/var/www/html/w...')
#14 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#15 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#16 /var/www/html/index.php(17): require('/var/www/html/w...')
#17 {main}
thrown in /var/www/html/wp-content/object-cache.php on line 193