( ! ) Warning: require(C:\wamp64\www\wp-includes\rest-api\endpoints\class-wp-rest-edit-site-export-controller.php): failed to open stream: Resource temporarily unavailable in C:\wamp64\www\wp-settings.php on line 278
Call Stack
#	Time	Memory	Function	Location
1	0.0004	400600	{main}( )	...\index.php:0
2	0.0006	400880	require( 'C:\wamp64\www\wp-blog-header.php' )	...\index.php:17
3	0.0007	401264	require_once( 'C:\wamp64\www\wp-load.php' )	...\wp-blog-header.php:13
4	0.0009	401960	require_once( 'C:\wamp64\www\wp-config.php' )	...\wp-load.php:50
5	0.0010	403360	require_once( 'C:\wamp64\www\wp-settings.php' )	...\wp-config.php:95

( ! ) Fatal error: require(): Failed opening required 'C:\wamp64\www/wp-includes/rest-api/endpoints/class-wp-rest-edit-site-export-controller.php' (include_path='.;C:\php\pear') in C:\wamp64\www\wp-settings.php on line 278
Call Stack
#	Time	Memory	Function	Location
1	0.0004	400600	{main}( )	...\index.php:0
2	0.0006	400880	require( 'C:\wamp64\www\wp-blog-header.php' )	...\index.php:17
3	0.0007	401264	require_once( 'C:\wamp64\www\wp-load.php' )	...\wp-blog-header.php:13
4	0.0009	401960	require_once( 'C:\wamp64\www\wp-config.php' )	...\wp-load.php:50
5	0.0010	403360	require_once( 'C:\wamp64\www\wp-settings.php' )	...\wp-config.php:95