[Theme] Error on my loop?

The loop looks good and no errors but when i paginating the loop didn’t works and not change the posts showed but the page/2 or page/3 is showed in the url.

Elsewhere my code is:

<div class="uk-grid contenido" id="contenido">
        <div class="uk-width-1-6 uk-hidden-small uk-hidden-medium"></div>
        <div class="uk-width-large-2-6 uk-width-small-1-1 uk-width-medium-1-2">
            <button class="uk-button-primary" type="button">Al momento</button>
            <hr class="uk-grid-divider">
            <?php if (have_posts()) : while (have_posts()) : the_post(); ?>

    <article class="uk-article">
        <h2 class="uk-article-title"><a href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
        <p class="uk-article-Meta p4d"><?php the_time('l j'); ?> de <?php the_time('F'); ?> de <?php the_time('Y'); ?> - Hace <?php echo human_time_diff( get_the_time('U'), current_time('timestamp') ); ?> | <?php $categories = get_the_category();
        $separator = ','; $output = ''; if ( ! empty( $categories ) ) {foreach( $categories as $category ) {$output .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '"alt="'.esc_attr(sprintf(__('Ver las noticias en %s', 'textdomain' ), $category->name ) ) . '">' . esc_html( $category->name ) . '</a>' . $separator; } echo trim( $output, $separator );} ?> | <?php if(function_exists('the_views')) { the_views(); } ?></p>
        <p class="uk-article-lead"><?php echo substr(get_the_excerpt(), 0,130); ?>...<a class="more" href="<?php the_permalink(); ?>">(+)</a></p>
        <a href="<?php the_permalink(); ?>"><div class="uk-thumbnail uk-thumbnail-large uk-overlay-hover uk-overlay-grayscale"><?php echo get_the_post_thumbnail($post->ID, 'articulo-normal-index'); ?></div></a>
        <p class="uk-article-meta"><?php $categories = get_the_category();
        $separator = ','; $output = ''; if ( ! empty( $categories ) ) {foreach( $categories as $category ) {$output .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '"alt="'.esc_attr(sprintf(__('Ver las noticias en %s', 'textdomain' ), $category->name ) ) . '">' . esc_html( $category->name ) . '</a>' . $separator; } echo trim( $output, $separator );} ?> / <?php the_title(); ?></p>
        <hr class="uk-article-divider">
    </article>
                <?php endwhile; ?>
                <?php numeric_posts_nav(); ?>
            <?php else : ?>
                        <p>Disculpa, no hay articulos</p>
                <?php endif; ?>

        </div>
        <div class="separate uk-hidden-small uk-hidden-medium"></div>
        <div class="uk-width-large-1-6 uk-hidden-small uk-width-medium-1-2 uk-block-muted min-padding">
            <button class="uk-button-primary" type="button">Destacadas</button>
            <hr class="uk-grid-divider">

            <article class="uk-article uk-text-center">
                <?php
                    global $post;
                    $args = array( 'numberposts' => 10, 'category_name' => 'destacada' );
                    $posts = get_posts( $args );
                    foreach( $posts as $post ): setup_postdata($post);
                ?>

            <h2 class="uk-article-title-small uk-text-center"><a href="<?php the_permalink(); ?>" title="<?php                      the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
            <p class="uk-article-meta uk-text-center"><?php the_time('l j'); ?> de <?php the_time('F'); ?> de <?php the_time('Y'); ?> -            Hace <?php echo human_time_diff( get_the_time('U'), current_time('timestamp') ); ?></p>
            <a href="<?php the_permalink(); ?>"><div class="uk-thumbnail uk-thumbnail-medium uk-container-center"><?php echo get_the_post_thumbnail($post->ID, 'articulo-destacadas-sidebar'); ?></div></a>
                <hr class="uk-article-divider">
            </article>

                <?php
                    endforeach;
                ?>

            <div class="uk-text-center data-uk-lightbox"><?php dynamic_sidebar( 'anuncio-destacadas' ); ?></div>

        </div>
        <?php get_sidebar(); ?>
        <div class="uk-width-1-6"></div>
    </div>

Can you help me? thank you in advance