Chamilo LMS

In the new reporting engine (right column "Reporting" link in courses homepage), the following errors occur

DATABASE ERROR #1146:
 Table 'chamilo.TABLE_MAIN_REPORTS_KEYS' doesn't exist
QUERY       :
 select r.id as kid, c.title as course from `chamilo`.`TABLE_MAIN_REPORTS_KEYS` r, `chamilo`.`course` c where r.course_id=c.id and r.tool_id is null and r.child_id is null order by c.title
FILE        :
 /var/www/chamilo/main/reports/templates/courseTime.reports.php
LINE        :
 23
FUNCTION    :
 reports_template_courseTime_getSQL

[=no data found: select r.id as kid, c.title as course from `chamilo`.`TABLE_MAIN_REPORTS_KEYS` r, `chamilo`.`course` c where r.course_id=c.id and r.tool_id is null and r.child_id is null order by c.title=]