Jan

Same for me

For me it does still not work. I tried reconfiguring it multiple times now, but it does not work for me. 

Yes, I pressed every button (one after another, aswell as only one button) with a delay of maybe a second between each click.

Same problem here > [2021-02-23 13:13:31] front end error 10.0.20.10 [2021-02-23 13:13:31] CMemCache requires PHP memcache extension to be loaded. Ubuntu 18.04.5 LTS fresh installed

@rlpmax you need to install php7.3-memcache php7.3-memcached