Deleted all test members now receive error message "sorry this account is not active"

yes, it was an idiot move.

The website that this is installed on is

I did attempt to run the script off of github:

wp-uc.php but the error messages I received when I ran the script were:

Warning: mysql_real_escape_string() expects parameter 1 to be string, object given in /home/breathem/public_html/BMBWpractice/wp-uc.php on line 83

Catchable fatal error: Object of class WP_User could not be converted to string in /home/breathem/public_html/BMBWpractice/wp-uc.php on line 121

Any help is appreciated here. Thank you.