SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mobile-signal-boosters.content.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by<br><pre>#0 [internal function]: PDOStatement->execute()
#1 [internal function]: Phalcon\Db\Adapter\Pdo\AbstractPdo->executePrepared()
#2 [internal function]: Phalcon\Db\Adapter\Pdo\AbstractPdo->query()
#3 [internal function]: Phalcon\Mvc\Model\Query->executeSelect()
#4 [internal function]: Phalcon\Mvc\Model\Query->execute()
#5 /var/www/mobile-signal-boosters.shop/app/controllers/TestimonialsController.php(46): Phalcon\Paginator\Adapter\QueryBuilder->paginate()
#6 [internal function]: TestimonialsController->indexAction()
#7 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod()
#8 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch()
#9 /var/www/mobile-signal-boosters.shop/public/index.php(43): Phalcon\Mvc\Application->handle()
#10 {main}</pre>