Error: Data structure returned is not convertible in the requested format. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized. The data structure looks like this: $data = array ( 0 => array ( 'idcustomreport' => 1, 'idsite' => '62', 'revision' => 0, 'report_type' => 'table', 'name' => 'Pages by New/Returning visitor', 'description' => '', 'category' => array ( 'id' => 'CustomReports_CustomReports', 'name' => 'Custom Reports', 'order' => 65, 'icon' => 'icon-business', ), 'subcategory' => NULL, 'dimensions' => array ( 0 => 'CoreHome.VisitorReturning', 1 => 'Actions.PageTitle', ), 'metrics' => array ( 0 => 'nb_uniq_visitors', 1 => 'nb_visits', 2 => 'pageviews', ), 'segment_filter' => '', 'created_date' => '2017-10-20 02:31:50', 'updated_date' => '2017-10-20 02:31:50', 'status' => 'active', 'site' => array ( 'id' => 1, 'name' => 'Divezone', ), ), 1 => array ( 'idcustomreport' => 2, 'idsite' => '62', 'revision' => 0, 'report_type' => 'table', 'name' => 'Bali pages, breakdown new/returning', 'description' => '', 'category' => array ( 'id' => 'CustomReports_CustomReports', 'name' => 'Custom Reports', 'order' => 65, 'icon' => 'icon-business', ), 'subcategory' => NULL, 'dimensions' => array ( 0 => 'Actions.PageTitle', 1 => 'CoreHome.VisitorReturning', ), 'metrics' => array ( 0 => 'nb_uniq_visitors', 1 => 'pageviews', 2 => 'nb_visits', ), 'segment_filter' => 'pageTitle=@bali', 'created_date' => '2017-10-20 02:41:08', 'updated_date' => '2017-10-20 02:41:08', 'status' => 'active', 'site' => array ( 'id' => 1, 'name' => 'Divezone', ), ), 2 => array ( 'idcustomreport' => 5, 'idsite' => '62', 'revision' => 0, 'report_type' => 'table', 'name' => 'Country by New/returning with a filter', 'description' => '', 'category' => array ( 'id' => 'CustomReports_CustomReports', 'name' => 'Custom Reports', 'order' => 65, 'icon' => 'icon-business', ), 'subcategory' => NULL, 'dimensions' => array ( 0 => 'UserCountry.Country', 1 => 'CoreHome.VisitorReturning', ), 'metrics' => array ( 0 => 'nb_uniq_visitors', 1 => 'goal_7_conversion', 2 => 'goal_7_conversion_uniq_visitors_rate', ), 'segment_filter' => 'countryCode!=pl', 'created_date' => '2018-01-26 03:51:11', 'updated_date' => '2018-01-26 03:51:11', 'status' => 'active', 'site' => array ( 'id' => 1, 'name' => 'Divezone', ), ), 3 => array ( 'idcustomreport' => 8, 'idsite' => '62', 'revision' => 0, 'report_type' => 'evolution', 'name' => 'Evolution KPIs', 'description' => '', 'category' => array ( 'id' => 'CustomReports_CustomReports', 'name' => 'Custom Reports', 'order' => 65, 'icon' => 'icon-business', ), 'subcategory' => NULL, 'dimensions' => array ( ), 'metrics' => array ( 0 => 'nb_uniq_visitors', 1 => 'goal_7_conversion', 2 => 'goal_7_conversion_uniq_visitors_rate', 3 => 'goal_4_conversion', ), 'segment_filter' => '', 'created_date' => '2018-04-03 02:55:32', 'updated_date' => '2018-04-03 02:55:32', 'status' => 'active', 'site' => array ( 'id' => 1, 'name' => 'Divezone', ), ), );