Error associated with Ctools

Clicked on Manage Pages, All Blogs, edit:

user warning: Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8_unicode_ci,IMPLICIT) for operation '=' query: SELECT s.uid, c.updated FROM ctools_object_cache c INNER JOIN sessions s ON c.sid = s.sid WHERE s.sid != '23cf718c0e27fd0f7b0a808e3cc11dd7' AND c.obj = 'page_manager_page' AND c.name = 'blog' ORDER BY c.updated ASC in /home/zucker/public_html/empoweringtheyouth/sites/default/modules/ctools/includes/object-cache.inc on line 92.