Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /usr/share/pear/DB/mysqli.php:389
Stack trace:
#0 /usr/share/pear/DB/mysqli.php(389): mysqli_select_db(Object(mysqli), 'swisscleanroomc...')
#1 /usr/share/pear/DB/common.php(1219): DB_mysqli->simpleQuery('SELECT * FROM c...')
#2 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1209): DB_common->query('SELECT * FROM c...')
#3 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1318): Menu->buildFullMobileMenu(Object(DB_mysqli), '331', '/scc-concept/an...', 1)
#4 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1318): Menu->buildFullMobileMenu(Object(DB_mysqli), '328', '/scc-concept/an...', 1)
#5 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1318): Menu->buildFullMobileMenu(Object(DB_mysqli), '264', '/scc-concept/an...', 1)
#6 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1318): Menu->buildFullMobileMenu(Object(DB_mysqli), '3', '/scc-concept/an...', 1)
#7 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/classes/content/Menu.php(1318): Menu->buildFullMobileMenu(Object(DB_mysqli), '38', '/scc-concept/an...', 1)
#8 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/includes/body.php(170): Menu->buildFullMobileMenu(Object(DB_mysqli), '0', '/scc-concept/an...', 1)
#9 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/index.php(433): require_once('/home/httpd/vho...')
#10 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/index.php(16): require_once('/home/httpd/vho...')
#11 {main}
  thrown in /usr/share/pear/DB/mysqli.php on line 389