Pagination on category pages using wp_pagenavi causes 404 errors

function category_set_post_types( $query ){
    if( $query->is_category ):
        $query->set( 'post_type', 'any' );
    endif;
    return $query;
}
add_action( 'pre_get_posts', 'category_set_post_types' );

This worked!

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