A fatal MySQL error occurred.

Query:
SELECT id, title, friendly_url, friendly_url_path, level AS depth, count, hidden FROM pmd_categories WHERE level = 1 ORDER BY left_

Error:
(2013) Lost connection to MySQL server during query

A fatal MySQL error occurred.

Query:
REPLACE INTO pmd_sessions VALUES ('elkd2t6eneooda0rc90447o535','initiated|b:1;',1752857567,'cc924e01c4fd668ce79a7a675d996508')

Error:
(2006) MySQL server has gone away