Published Page Shows Warning: Illegal string offset 'wp_pinterest_pin_it_button_

The following “warnings” showed up today in preview and in publish on my post above my “share” buttons. A Google search shows I’m not the only one with this problem. Is it something I can fix, or is it a WP issue? Thanks!

Warning: Illegal string offset ‘wp_pinterest_pin_it_button_layout’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 186

Warning: Illegal string offset ‘wp_pinterest_pin_it_button_single_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 187

Warning: Illegal string offset ‘wp_pinterest_pin_it_button_page_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 188

Warning: Illegal string offset ‘wp_pinterest_pin_it_button_excerpt_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 189

Warning: Illegal string offset ‘wp_pinterest_username’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 206

Warning: Illegal string offset ‘wp_pinterest_follow_button_layout’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 207

Warning: Illegal string offset ‘wp_pinterest_follow_button_single_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 208

Warning: Illegal string offset ‘wp_pinterest_follow_button_page_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 209

Warning: Illegal string offset ‘wp_pinterest_follow_button_excerpt_display’ in /home4/amsvans/public_html/AMSblog/wp-content/plugins/wp-pinterest/includes/functions.php on line 210