File
/data/home/versions/3_44/classes/_generated_/dao/GEN_ContentmanagerPagegroupDAO.class.php

Line
90

Query
SELECT `id`, `document_id`, `name`, `show_current_page_in_view` FROM contentmanager_pagegroup WHERE `document_id` = 1 AND LOWER(`name`) = "springplank
" LIMIT 0,1

MySQL error
Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='