Install php7.3 memcached failed

Hi,

I tried to install memcached for php 7.3 after upgrading Plesk Onyx to Obsidian. I followed this article here , running into this issue after:

/opt/plesk/php/7.3/bin/pecl install memcached



WARNING: channel "pecl.php.net" has updated its protocols, use "pecl channel-update pecl.php.net" to update
pecl/memcached can optionally use PHP...

Install php7.3 memcached failed