tutorials cache was unable to write 'popular_d751713988987e9331980363e24189ce_USD' to Cake\Cache\Engine\MemcachedEngine cache 📋

Cake\Cache\Exception\CacheWriteException
CORE/src/Cache/Cache.php at line 271 (edit)
        $backend = static::pool($config);
        $success $backend->set($key$value);
        if ($success === false && $value !== '') {
            throw new CacheWriteException(sprintf(
                "%s cache was unable to write '%s' to %s cache",
                $config,
                $key,
                get_class($backend)

If you want to customize this error message, create templates/Error/error500.ctp