Query:

SELECT id 
FROM site_hierarchy 
WHERE pageTemplate = 'pt_client_settings' AND (permissions = '1' OR permissions LIKE '1;%' OR
permissions LIKE '%;1;%' OR permissions LIKE '%;1') AND (enabled = 1 OR (enabled = 2 AND
dateValidFrom <= NOW() AND dateValidTo >= NOW()))

Error message

MySQL server has gone away

Trace:

#0 /var/www/vhosts/svetluska.estudio.cz/httpdocs/vendor/dibi/dibi/src/Dibi/Drivers/MySqliDriver.php(151): Dibi\Drivers\MySqliDriver::createException('MySQL server ha...', 2006, 'SELECT id FROM ...') #1 /var/www/vhosts/svetluska.estudio.cz/httpdocs/vendor/dibi/dibi/src/Dibi/Connection.php(275): Dibi\Drivers\MySqliDriver->query('SELECT id FROM ...') #2 /var/www/vhosts/svetluska.estudio.cz/httpdocs/vendor/dibi/dibi/src/Dibi/Connection.php(203): Dibi\Connection->nativeQuery('SELECT id FROM ...') #3 /var/www/vhosts/svetluska.estudio.cz/httpdocs/application/lib/Model/Dibi.php(68): Dibi\Connection->query(Array) #4 /var/www/vhosts/svetluska.estudio.cz/httpdocs/application/lib/Model/SiteHierarchy.php(82): Model_Dibi->query(Array, 'pt_client_setti...', 1, '1;%', '%;1;%', '%;1') #5 /var/www/vhosts/svetluska.estudio.cz/httpdocs/class/Template/Base.php(483): Model_SiteHierarchy->findByTemplateAndUserType('pt_client_setti...', 1) #6 /var/www/vhosts/svetluska.estudio.cz/httpdocs/class/Template/Base.php(129): Template\Base->layoutGetSystemPagesData() #7 /var/www/vhosts/svetluska.estudio.cz/httpdocs/class/Template/System.php(41): Template\Base->loadLayoutSmartyData() #8 /var/www/vhosts/svetluska.estudio.cz/httpdocs/class/LayoutSmarty.php(30): Template\System->render() #9 /var/www/vhosts/svetluska.estudio.cz/httpdocs/class/Reflex.php(537): LayoutSmarty::render(Object(PageData), 'pt_product') #10 /var/www/vhosts/svetluska.estudio.cz/httpdocs/index.php(88): Reflex::display() #11 {main}