Error message

• Warning: Illegal string offset 'class' in wunderkind_shortcodes_shortcode_h() (line 699 of D:\wwwroot\www.retropie.com.au\sites\all\modules\wunderkind_cms\wunderkind_shortcodes\wunderkind_shortcodes.module).
• Warning: Invalid argument supplied for foreach() in _wunderkind_shortcodes_shortcode_attributes() (line 249 of D:\wwwroot\www.retropie.com.au\sites\all\modules\wunderkind_cms\wunderkind_shortcodes\wunderkind_shortcodes.module).