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Issue 500 Plesk\Exception\Database || DB query failed: SQLSTATE[HY000] [2054] Server sent charset (0) unknown to the client.

saiful124rokon

New Pleskian
Server operating system version
Ubuntu 20.04
Plesk version and microupdate number
18.0.57.2
Hello Everyone,

Today I am facing a new issue (I searched forums but found nothing like that) on my Plesk server. I updated my MariaDB server to 11.3 from 10.3.38.

But after the update, I can't log in to the Plesk control panel. It gives me the error "DB query failed: SQLSTATE[HY000] [2054] Server sent charset (0) unknown to the client. Please, report to the developers".

Even my WordPress site is down.

Please help me if anyone resolved it before.

OS ubuntu: 20.04

Thanks.
 

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