( ! ) Fatal error: Class 'Dataset' not found in C:\wamp64\www\components\dataset\table_dataset.php on line 10
Call Stack
#	Time	Memory	Function	Location
1	0.0011	235800	{main}( )	...\edit_columns.php:0
2	0.0172	684200	include_once( 'C:\wamp64\www\components\grid\edit_columns\lookup_edit_column.php' )	...\edit_columns.php:6
3	0.0186	702776	include_once( 'C:\wamp64\www\components\utils\dataset_utils.php' )	...\lookup_edit_column.php:4
4	0.0241	1114992	include_once( 'C:\wamp64\www\components\dataset\dataset.php' )	...\dataset_utils.php:3
5	0.0274	1294160	include_once( 'C:\wamp64\www\database_engine\engine.php' )	...\dataset.php:3
6	0.0385	1709968	include_once( 'C:\wamp64\www\database_engine\commands.php' )	...\engine.php:5
7	0.0437	1809896	include_once( 'C:\wamp64\www\components\error_utils.php' )	...\commands.php:6
8	0.0538	2219992	include_once( 'C:\wamp64\www\components\renderers\list_renderer.php' )	...\error_utils.php:4
9	0.0602	2570016	include_once( 'C:\wamp64\www\components\renderers\renderer.php' )	...\list_renderer.php:3
10	0.0730	3387304	include_once( 'C:\wamp64\www\components\grid\grid.php' )	...\renderer.php:3
11	0.0753	3414904	include_once( 'C:\wamp64\www\components\editors\editors.php' )	...\grid.php:5
12	0.1322	4517024	include_once( 'C:\wamp64\www\components\editors\cascading_combobox.php' )	...\editors.php:22
13	0.1341	4606832	include_once( 'C:\wamp64\www\components\editors\cascading_editor.php' )	...\cascading_combobox.php:3
14	0.1447	5266920	include_once( 'C:\wamp64\www\components\page\page.php' )	...\cascading_editor.php:6
15	0.2073	7200056	include_once( 'C:\wamp64\www\components\dataset\table_dataset.php' )	...\page.php:18