Warning: Error while sending QUERY packet. PID=21638 in system/modules/core/library/Contao/Database/Mysqli/Statement.php on line 81
#0 [internal function]: __error(2, 'Error while sen...', '/home/erudyt/we...', 81, Array)
#1 system/modules/core/library/Contao/Database/Mysqli/Statement.php(81): mysqli->query('SELECT tl_page....')
#2 system/modules/core/library/Contao/Database/Statement.php(293): Contao\Database\Mysqli\Statement->execute_query()
#3 system/modules/core/library/Contao/Database/Statement.php(264): Contao\Database\Statement->query()
#4 system/modules/core/library/Contao/Model.php(1095): Contao\Database\Statement->execute(NULL)
#5 system/modules/core/library/Contao/Model.php(965): Contao\Model::find(Array)
#6 system/modules/core/models/PageModel.php(497): Contao\Model::findBy(Array, NULL, Array)
#7 system/modules/core/classes/Frontend.php(146): Contao\PageModel::findByAliases(Array)
#8 system/modules/core/controllers/FrontendIndex.php(61): Contao\Frontend::getPageIdFromUrl()
#9 index.php(20): Contao\FrontendIndex->run()
#10 {main}

Fatal error: Uncaught exception Exception with message Query error: MySQL server has gone away (SELECT tl_page.* FROM tl_page WHERE tl_page.alias IN('answer/skolko-stoit-uchastie-v-konkurse','answer') AND (tl_page.start='' OR tl_page.start<='1573696800') AND (tl_page.stop='' OR tl_page.stop>'1573696860') AND tl_page.published='1' ORDER BY FIND_IN_SET(tl_page.alias, 'answer/skolko-stoit-uchastie-v-konkurse,answer')) thrown in system/modules/core/library/Contao/Database/Statement.php on line 295
#0 system/modules/core/library/Contao/Database/Statement.php(264): Contao\Database\Statement->query()
#1 system/modules/core/library/Contao/Model.php(1095): Contao\Database\Statement->execute(NULL)
#2 system/modules/core/library/Contao/Model.php(965): Contao\Model::find(Array)
#3 system/modules/core/models/PageModel.php(497): Contao\Model::findBy(Array, NULL, Array)
#4 system/modules/core/classes/Frontend.php(146): Contao\PageModel::findByAliases(Array)
#5 system/modules/core/controllers/FrontendIndex.php(61): Contao\Frontend::getPageIdFromUrl()
#6 index.php(20): Contao\FrontendIndex->run()
#7 {main}