Pagination Issue – Page 1 posts showing on all pages on blog

Hi all,
Title says it all – when my blog is paginated, all of the links/pages go to the first level blog posts, and I can’t see anything past the first set of posts. I’m using a custom theme, custom permalinks and custom post types. The blog page template and single file code is included below this paragraph. I’ve seen a few posts that have been about this issue and I’ve tried a few fixes but nothing is working. And this happened suddenly and seemingly randomly – maybe 2 weeks after updating to 4.4.2.

Looks to me like the code is “correct”, so any help is wholly appreciated. Thank you.

Template theme code:

<?php
//adhere to paging rules
if ( get_query_var(‘paged’) ) {
$paged = get_query_var(‘paged’);
} elseif ( get_query_var(‘page’) ) { // applies when this page template is used as a static homepage in WP3+
$paged = get_query_var(‘page’);
} else {
$paged = 1;
}

$posts_per_page = get_post_meta(get_the_ID(),’number_of_items’,true);
if (!$posts_per_page) {
$posts_per_page = get_option(‘posts_per_page’);
}

global $query_string;
$args = array(
‘numberposts’ => ”,
‘posts_per_page’ => $posts_per_page,
‘offset’ => 0,
‘cat’ => ”,
‘orderby’ => ‘date’,
‘order’ => ‘DESC’,
‘include’ => ”,
‘exclude’ => ”,
‘meta_key’ => ”,
‘meta_value’ => ”,
‘post_type’ => ‘post’,
‘post_mime_type’ => ”,
‘post_parent’ => ”,
‘paged’ => $paged,
‘post_status’ => ‘publish’
);
query_posts( $args );
?>

Single.php code:

<div class=’posts-container’>
<?php /* Start the Loop */ ?>
<?php while ( have_posts() ) : the_post(); ?>
<?php get_template_part( ‘content’, ‘single’ ); ?>
<?php
if ( comments_open() || ‘0’ != get_comments_number() ):
comments_template( ”, true );
endif;
?>
<?php endwhile; // end of the loop. ?>
</div>
</div>
<?php ts_get_single_post_sidebar(‘right2’); ?>
<?php ts_get_single_post_sidebar(‘right’); ?>
</div>
</div>
<aside class=’wrapper dark-blue’>
<div class=’container’>
<div class=’grid_<?php echo ts_check_if_any_sidebar(12,9,6); ?>’>
<div class=’posts-containers-page’>
<div class=’post-single-pagination’>
<?php
previous_post_link(‘%link’,__(‘previous post’,’circles’));
next_post_link(‘%link’,__(‘next post’,’circles’)); ?>

</div>

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