I have this fatal error.I have not changed anything for months on the web and today the error occurred
( ! ) Fatal error: Call to undefined function user_access() in C:\wamp\www\titania\includes\menu.inc on line 632
Call Stack
# Time Memory Function Location
1 0.0009 368336 {main}( ) ..\index.php:0
2 0.0092 978576 drupal_bootstrap( ) ..\index.php:20
3 0.0837 4914424 _drupal_bootstrap_full( ) ..\bootstrap.inc:2186
4 0.1654 9699680 menu_set_custom_theme( ) ..\common.inc:5043
5 0.1654 9699712 menu_get_custom_theme( ) ..\menu.inc:1766
6 0.1655 9699952 menu_get_item( ) ..\menu.inc:1751
7 0.1663 9704440 _menu_translate( ) ..\menu.inc:471
8 0.1663 9705792 _menu_check_access( ) ..\menu.inc:788