Remove non deterministic "group by" see #8029

main/admin/settings.lib.php

@@ -1456,7 +1456,7 @@ function search_setting($search)
     }
     $table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
     $sql = "SELECT * FROM $table_settings_current
-            WHERE category <> 'Plugins' GROUP BY variable ORDER BY id ASC ";
+            WHERE category <> 'Plugins' ORDER BY id ASC ";
     $result = Database::store_result(Database::query($sql), 'ASSOC');
     $settings = array();
 

main/inc/lib/api.lib.php

@@ -5361,7 +5361,7 @@ function & api_get_settings($cat = null, $ordering = 'list', $access_url = 1, $u
         $sql .= " AND category='$cat' ";
     }
     if ($ordering == 'group') {
-        $sql .= " GROUP BY variable ORDER BY id ASC";
+        $sql .= " ORDER BY id ASC";
     } else {
         $sql .= " ORDER BY 1,2 ASC";
     }