Fatal error: Uncaught Error: Call to a member function get() on null in /var/www/html/public/wp-content/object-cache.php:193
Stack trace:
#0 /var/www/html/public/wp-includes/class-wp-textdomain-registry.php(204): wp_cache_get('6b8303fd0623816...', 'translation_fil...')
#1 /var/www/html/public/wp-includes/class-wp-textdomain-registry.php(319): WP_Textdomain_Registry->get_language_files_from_path('/var/www/html/p...')
#2 /var/www/html/public/wp-includes/class-wp-textdomain-registry.php(94): WP_Textdomain_Registry->get_path_from_lang_dir('redis-cache', 'en_US')
#3 /var/www/html/public/wp-includes/l10n.php(1365): WP_Textdomain_Registry->get('redis-cache', 'en_US')
#4 /var/www/html/public/wp-includes/l10n.php(1409): _load_textdomain_just_in_time('redis-cache')
#5 /var/www/html/public/wp-includes/l10n.php(195): get_translations_for_domain('redis-cache')
#6 /var/www/html/public/wp-includes/l10n.php(307): translate('Error establish...', 'redis-cache')
#7 /var/www/html/public/wp-content/object-cache.php(2974): __('Error establish. in /var/www/html/public/wp-content/object-cache.php on line 193