New install , 1.5.8a DB miss customers_groups entry in DB

PHP Fatal error: 1146:Table 'xxx.customer_groups' doesn't exist :: SELECT count(*) as total FROM (SELECT cg.*, count(ctg.customer_id) as customer_count FROM customer_groups cg LEFT JOIN customers_to_groups ctg USING (group_id) GROUP BY cg.group_id ORDER BY group_name, group_id) countresults ==> (as called by) /xxxxxxxxxxxxx/includes/classes/split_page_results.php on line 220 <== in /includes/classes/db/mysql/query_factory.php on line 667.


Anyone can bring me a mysql code to add this to my BD plz ??
Look like the installation has missed to add customer_groups fields in DB...
Can't change an email on a customer because of that, page stuck at group and give ;
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Customer Groups

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thank you..