Fatal error: Uncaught Error: Call to a member function getSqlComponents() on null in /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/datasource/projecttable.php:31 Stack trace: #0 /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/datasource/table.php(657): DataSourceProjectTable->getSQLComponents() #1 /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/datasource/table.php(17): DataSourceTable->buildSQL() #2 /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/listpage.php(2799): DataSourceTable->prepareSQL() #3 /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/listpage.php(2216): ListPage->calculateRecordCount() #4 /var/www/vhosts/greenapp.nl/httpdocs/greenapp/realisatie_list.php(147): ListPage->prepareForBuildPage() #5 {main} thrown in /var/www/vhosts/greenapp.nl/httpdocs/greenapp/classes/datasource/projecttable.php on line 31