drupal error

gistfile1.txt

( ! ) Fatal error: Call to undefined function field_attach_load() in /usr/share/drupal7/includes/entity.inc on line 320
Call Stack
#	Time	Memory	Function	Location
1	0.0001	648312	{main}( )	../install.php:0
2	0.0005	661136	install_drupal( )	../install.php:26
3	0.4064	2415952	install_run_tasks( )	../install.core.inc:79
4	0.7515	3793680	install_run_task( )	../install.core.inc:342
5	0.7515	3795216	drupal_build_form( )	../install.core.inc:392
6	1.1591	6234504	drupal_process_form( )	../form.inc:366
7	1.1685	6544096	form_execute_handlers( )	../form.inc:846
8	1.1685	6548568	install_configure_form_submit( )	../form.inc:1432
9	1.3962	6548016	user_load( )	../install.core.inc:1827
10	1.3962	6548840	user_load_multiple( )	../user.module:362
11	1.3962	6548976	entity_load( )	../user.module:287
12	1.3966	6577920	DrupalDefaultEntityController->load( )	../common.inc:7585
13	1.3976	6612200	UserController->attachLoad( )	../entity.inc:204
14	1.3986	6620120	DrupalDefaultEntityController->attachLoad( )	../user.module:333