Issue: SQL-Error when opening a category

Datenbankfehler in vBulletin 3.8.3:

Invalid SQL:

		SELECT COUNT(threadid) AS rowcount
		FROM vb_3vault_category
		WHERE title_lower = 'sonstiges';

MySQL-Fehler  : Unknown column 'title_lower' in 'where clause'
Fehler-Nr.    : 1054

Datenbankfehler in vBulletin 3.8.3:

Invalid SQL:

		SELECT COUNT(category.threadid) AS rowcount
		FROM vb_3vault_category AS category
		LEFT JOIN vb_3thread AS thread ON (thread.threadid = category.categoryid)
		WHERE thread.forumid IN (NULL,110)
		GROUP BY category.title_lower;

MySQL-Fehler  : Unknown column 'category.title_lower' in 'group statement'