Looking at the process list on the system might give clues as to why the MySQL server has run out of connections.

Likely you’ll find a lot of some sort of process holding a lot of connections open.

Adam.

From: observium <observium-bounces@observium.org> On Behalf Of Jacek Dabrowski via observium
Sent: 02 September 2019 09:54
To: observium@observium.org
Cc: Jacek.Dabrowski@selgros.pl
Subject: [Observium] DB Error

Hello,

Yesterday I turned off Observium after turning on the message DB Error 1040 appears, which I can do with it ???

Pozdrawiam

Jacek Dąbrowski