Error: Invalid argument supplied for foreach()

Warning: Invalid argument supplied for foreach() in C:\wamp64\www\wordpress\wp-content\themes\uniao-site\index.php on line 42

<?php 

add_filter( 'rwmb_media_add_string', 'prefix_change_add_string' );
function prefix_change_add_string() {
    return '+ Adicionar imagens';
}

add_filter( 'rwmb_meta_boxes', 'meta_box_slide' );
function meta_box_slide( $meta_boxes ) {
    $meta_boxes[] = array(
        'title'  => 'Imagens do Slide',
        'post_types' => 'slide',
        'fields' => array(
            array(
                'id'               => 'image',
                'name'             => 'Imagens',
                'type'             => 'image_advanced',
            
                // Delete image from Media Library when remove it from post meta?
                // Note: it might affect other posts if you use same image for multiple posts
                'force_delete'     => false,
            
                // Maximum image uploads.
                'max_file_uploads' => 4,
            
                // Do not show how many images uploaded/remaining.
                'max_status'       => 'false',
            
                // Image size that displays in the edit page.
                'image_size'       => 'thumbnail',
            ),
            
        ),
    );
    return $meta_boxes;
}

<?php
		$args = array(
			'post_type' => 'slide'
		);
		
		$query = new WP_Query( $args );
		if ( $query->have_posts() ) {
			echo '<ul class="category posts">';
 
        	// Start looping over the query results.
       		while ( $query->have_posts() ) {
 
            $query->the_post();
 
            ?>
 
            <li <?php post_class( 'left' ); ?>>
                <a href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>">
                    <?php the_title(); ?>
				</a>
				<?php 
				$images = rwmb_meta( 'info', array( 'size' => 'thumbnail' ) );
foreach ( $images as $image ) {
    echo '<a href="', $image['full_url'], '"><img src="', $image['url'], '"></a>';
}
?>
            </li>
 
            <?php
     
        }
 
    echo '</ul>';
 
}
 
// Restore original post data.
wp_reset_postdata();
 
?>