pagination problem on buddypress tab

<?php

/*
  Plugin Name: [pulperia]  My posts
  Plugin URI:
  Description: Post list from the displayed user as author
  Version: 1.0
  Author: GGsalas
  Author URI: http://ggsalas.com
*/

function bp_content_setup_nav1() {
    global $bp;

    bp_core_new_nav_item( array(
      'name'                  => __('Publicaciones', 'buddypress'),
      'slug'                  => 'posts',
      'parent_url'            => trailingslashit( bp_displayed_user_domain() . '/' ),
      'screen_function'       => 'mis_publicaciones',
      'position'              => 70,
      'default_subnav_slug'   => '/',
    ));
}
add_action( 'bp_setup_nav', 'bp_content_setup_nav1' );


function mis_publicaciones() {
    add_action( 'bp_template_title', 'mis_publicaciones_title' );
    add_action( 'bp_template_content', 'mis_publicaciones_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}

function mis_publicaciones_title() {
    echo "Posts";
}

function mis_publicaciones_content() {
    global $post;
    global $bp;

    $paged = ( get_query_var('paged') ) ? get_query_var('paged') : 1;
    $args = array(
        'post_type'      => 'post',
        'post_status'    => 'publish',
        'posts_per_page' => 2,
        'author'         => bp_displayed_user_id(),
        'paged'          => $paged
    );

    /**
     * Loop
     */

    // The Query
    $wp_query = new WP_Query( $args );

    // The Loop
    if ( $wp_query->have_posts() ) {
        while ( $wp_query->have_posts() ) {
            $wp_query->the_post();
            ?>
            <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
            <?php
        }

        /*
         * Pagination links
         * https://codex.wordpress.org/Function_Reference/paginate_links
         */
        $big = 999999999; // need an unlikely integer
        echo paginate_links( array(
            'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
            'format' => '?paged=%#%',
            'current' => max( 1, get_query_var('paged') ),
            'total' => $wp_query->max_num_pages
        ) );
    }
}

?>