Upgrade to Omeka 2 from Omeka 1.5 errors


I received this message when I migrate the db from Omeka 1.5 to omeka 2

Notice: Undefined variable: success in /www-dev/nancymou.www.lib/web/online-exhibits-o2/admin/themes/default/upgrade/migrate.php on line 31
Omeka encountered an error when upgrading your installation.

SQL error in migration: Mysqli statement execute error : Unknown column 'record_name' in 'omeka_search_texts'

In omeka 1.5 I do not have record_search_texts and I do not have record_name in omeka_element_texts nor in omeka_elements_sets

Thanks for helping.