( ! ) Fatal error: Out of memory (allocated 4194304 bytes) (tried to allocate 790528 bytes) in C:\wamp64\www\wordpress\wp-includes\class-wpdb.php on line 2322
Call Stack
#	Time	Memory	Function	Location
1	0.0007	363296	{main}( )	...\index.php:0
2	0.0020	363648	require( 'C:\wamp64\www\wordpress\wp-blog-header.php )	...\index.php:17
3	0.0020	364064	require_once( 'C:\wamp64\www\wordpress\wp-load.php )	...\wp-blog-header.php:13
4	0.0021	364864	require_once( 'C:\wamp64\www\wordpress\wp-config.php )	...\wp-load.php:50
5	0.0021	366488	require_once( 'C:\wamp64\www\wordpress\wp-settings.php )	...\wp-config.php:92
6	0.0167	1222800	wp_not_installed( )	...\wp-settings.php:176
7	0.0167	1222800	is_blog_installed( )	...\load.php:939
8	0.0167	1223208	wp_load_alloptions( $force_cache = ??? )	...\functions.php:1786
9	0.0168	1223656	wpdb->get_results( $query = 'SELECT option_name, option_value FROM wp_options WHERE autoload IN ( \'yes\', \'on\', \'auto-on\', \'auto\' )', $output = ??? )	...\option.php:628
10	0.0175	1223816	wpdb->query( $query = 'SELECT option_name, option_value FROM wp_options WHERE autoload IN ( \'yes\', \'on\', \'auto-on\', \'auto\' )' )	...\class-wpdb.php:3146
11	0.0341	3154160	mysqli_fetch_object( $result = class mysqli_result { public $current_field = 0; public $field_count = 2; public $lengths = [0 => 11, 1 => 59]; public $num_rows = 610; public $type = 0 } )	...\class-wpdb.php:2322