archive page – base premalink

im having this problem too, its doing my head in! can anyone help?

I just discovered this as well and it was driving me bonkers @_@

I’m not a huge advocate of editing core code (as updates will break your modifications), however, the line ‘has_archive’ => ‘testimonials’, appears to be the issue:
(found in testimonials-by-woothemes/classes/class-woothemes-testimonials.php)

$args = array(
			'labels' => $labels,
			'public' => true,
			'publicly_queryable' => true,
			'show_ui' => true,
			'show_in_menu' => true,
			'query_var' => true,
			'rewrite' => array( 'slug' => 'testimonial' ),
			'capability_type' => 'post',
			'has_archive' => 'testimonials',
			'hierarchical' => false,
			'supports' => array( 'title', 'editor', 'thumbnail', 'page-attributes' ),
			'menu_position' => 5,
			'menu_icon' => ''

I temporarily commented out the line ‘has_archive’ => ‘testimonials’, by changing it to: /*’has_archive’ => ‘testimonials’,*/

I then re-saved my permalink structure and viola I am now able to use the page ‘testimonials’.

This is solution will work with version 1.4.1

Add this php code to the functions.php of your child theme

/**
 * Changes testimonial archives URL slugs
 */
function testimonials_archive_slug( $archive_slug ) {
	$new_archive_slug = _x( 'testimonials-archive', 'post archive url slug', 'woothemes-testimonials' );
	return $new_archive_slug;
}
add_filter( 'woothemes_testimonials_archive_slug', 'testimonials_archive_slug' );

After adding you will need to resave the permalinks settings to save the new slug.