Illegal mix of collations - when launching the component JUX portfolio Pro

Hi,
I just installed the component JUX portfolio pro (on a J3.6.5)
and I got the following error message

An error has occurred.
500 Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=' SQL=SELECT a.*,c.title AS category_title,uc.name AS editor,ag.title AS access_level,l.title AS language_title FROM #__jux_portfolio_pro_items AS a LEFT JOIN #__categories AS c ON c.id = a.cat_id LEFT JOIN #__users AS uc ON uc.id=a.checked_out LEFT JOIN #__viewlevels AS ag ON ag.id = a.access LEFT JOIN `#__languages` AS l ON l.lang_code = a.language WHERE (a.published = 0 OR a.published = 1) ORDER BY a.title asc LIMIT 30 Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=' SQL=SELECT COUNT(*) FROM #__jux_portfolio_pro_items AS a LEFT JOIN #__categories AS c ON c.id = a.cat_id LEFT JOIN #__users AS uc ON uc.id=a.checked_out LEFT JOIN #__viewlevels AS ag ON ag.id = a.access LEFT JOIN `#__languages` AS l ON l.lang_code = a.language WHERE (a.published = 0 OR a.published = 1)

ANy idea how to get it working?
Thanks
yves

Dear Yves,

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