mos_ in mambo

In the installation field on the mysql page there is a field with "mos_ "

I not did anything with this and get following errors.

Notice: Table '***.mos_session' doesn't exist in /www/a/***/htdocs/includes/database.php on line 184

There are several more lines with the same message in 184

DB function failed with error number 1146
Table '***.mos_session' doesn't exist SQL=SELECT session_id FROM mos_session WHERE session_id=MD5('2ed99a52db781b0f45ab778dc644e9a3')
SQL =

SELECT session_id FROM mos_session WHERE session_id=MD5('2ed99a52db781b0f45ab778dc644e9a3')

What I have to change and how :-)

Regards

[Pig]

go into http://phpmyadmin.powweb.com and verify that it is there. If it is, click on the sql tab and type:
repair table mos_session