Thread:Project:Support desk/Private wiki database error/reply

Hi!

The relevant line is

> Database returned error "1062: Duplicate entry 'wikidb:pcache:idhash:102-0!1!0!!en!2' for key 'PRIMARY' (mysql)".

This means that a row could not be added to the table, because there already is another row with the same primary key. The table with the problem is objectcache, which only holds cache data. Its content can be deleted as it will be regenerated when needed. You can go to MySQL and do a TRUNCATE on the objectcache table:

TRUNCATE TABLE objectcache;

This removes all content from the objectcache table, which should solve the problem.