I get here issues with weblinks on a legacy site:

Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '=' SQL=SELECT COUNT() FROM #weblinks AS a LEFT JOIN #languages AS l ON l.lang_code = a.language LEFT JOIN #__users AS uc ON uc.id=a.checked_out LEFT JOIN #__viewlevels AS ag ON ag.id = a.access LEFT JOIN #__categories AS c ON c.id = a.catid WHERE (a.state IN (0, 1)) Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '=' SQL=SELECT a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid,a.hits, a.state, a.access, a.ordering, a.language, a.publish_up, a.publish_down,l.title AS language_title,uc.name AS editor,ag.title AS access_level,c.title AS category_title FROM #weblinks AS a LEFT JOIN #languages AS l ON l.lang_code = a.language LEFT JOIN #__users AS uc ON uc.id=a.checked_out LEFT JOIN #__viewlevels AS ag ON ag.id = a.access LEFT JOIN #__categories AS c ON c.id = a.catid WHERE (a.state IN (0, 1)) ORDER BY a.title asc LIMIT 0, 100 Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '=' SQL=SELECT COUNT() FROM #weblinks AS a LEFT JOIN #languages AS l ON l.lang_code = a.language LEFT JOIN #__users AS uc ON uc.id=a.checked_out LEFT JOIN #__viewlevels AS ag ON ag.id = a.access LEFT JOIN #__categories AS c ON c.id = a.catid WHERE (a.state IN (0, 1))