( ! ) 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	0.0027	264072	{main}( )	...\lookup_edit_column.php:0
2	0.0076	408928	include_once( 'C:\wamp64\www\components\utils\dataset_utils.php' )	...\lookup_edit_column.php:4
3	0.0134	821416	include_once( 'C:\wamp64\www\components\dataset\dataset.php' )	...\dataset_utils.php:3
4	0.0165	1000576	include_once( 'C:\wamp64\www\database_engine\engine.php' )	...\dataset.php:3
5	0.0285	1475096	include_once( 'C:\wamp64\www\database_engine\commands.php' )	...\engine.php:5
6	0.0331	1575008	include_once( 'C:\wamp64\www\components\error_utils.php' )	...\commands.php:6
7	0.0426	1985328	include_once( 'C:\wamp64\www\components\renderers\list_renderer.php' )	...\error_utils.php:4
8	0.0491	2335480	include_once( 'C:\wamp64\www\components\renderers\renderer.php' )	...\list_renderer.php:3
9	0.0620	3152808	include_once( 'C:\wamp64\www\components\grid\grid.php' )	...\renderer.php:3
10	0.0645	3180392	include_once( 'C:\wamp64\www\components\editors\editors.php' )	...\grid.php:5
11	0.1203	4321992	include_once( 'C:\wamp64\www\components\editors\cascading_combobox.php' )	...\editors.php:22
12	0.1223	4411824	include_once( 'C:\wamp64\www\components\editors\cascading_editor.php' )	...\cascading_combobox.php:3
13	0.1326	5071912	include_once( 'C:\wamp64\www\components\page\page.php' )	...\cascading_editor.php:6
14	0.2083	7368088	include_once( 'C:\wamp64\www\components\dataset\table_dataset.php' )	...\page.php:18