Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1055 'papertotravel.a.relation_id' isn't in GROUP BY in E:\htdocs\papertotravel\index\public_collection\collection_view.php:587
Stack trace:
#0 E:\htdocs\papertotravel\index\public_collection\collection_view.php(587): PDO->query('\r\n\r\nSELECT\r\n\ta....')
#1 E:\htdocs\papertotravel\index\public_collection\collection_load.php(321): include('E:\\htdocs\\paper...')
#2 E:\htdocs\papertotravel\index_map.php(279): include('E:\\htdocs\\paper...')
#3 E:\htdocs\papertotravel\index.php(21): include_once('E:\\htdocs\\paper...')
#4 {main}
thrown in E:\htdocs\papertotravel\index\public_collection\collection_view.php on line 587