I can fixed the problem including this files:
require( ABSPATH . WPINC . '/class-wp-rewrite.php' );
require( ABSPATH . WPINC . '/class-wp-user.php' );
require( ABSPATH . WPINC . '/class-wp-tax-query.php' );
require( ABSPATH . WPINC . '/class-wp-meta-query.php' );
require( ABSPATH . WPINC . '/class-wp-term.php' );
require( ABSPATH . WPINC . '/class-wp-post.php' );
require( ABSPATH . WPINC . '/class-wp-roles.php' );
require( ABSPATH . WPINC . '/class-wp-role.php' );
Following the errors in the code and looking for in the wordpress codex.
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