database column error after update

I just upgraded to the most recent version 1.5.0 today. Now I get this error after sending an email

WordPress database error: [Unknown column ‘to_email’ in ‘field list’]
INSERT INTO wp_weu_sent_email(weu_sent_type, weu_email_subject, weu_email_body, weu_from_name, weu_from_email, weu_to_type, weu_status, weu_sent_date_time, to_email) VALUES (…

The option ‘Sent Emails’ gives this:
Here you will find the list of all Sent Emails which are sent through this (WP Email Users) plugin.
Notice: Undefined property: stdClass::$to_email in /home/parkcit0/public_html/wp-content/plugins/wp-email-users/wp-email-users.php on line 1722