Guys…
I made a fresh install and was getting the same error.
I inspected the code to see what was going on adn found that the plugin try to do the following query:
REPLACE INTO wp_login_redirects SET rul_url = 'https://example.com/', rul_type = 'role', rul_value = 'subscriber';
Then I tried to run that query directly on the database and I got this:
ERROR 1364 (HY000): Field 'rul_url_logout' doesn't have a default value
My solution:
alter table wp_login_redirects alter rul_url_logout set default '';
Peter, maybe you could add this default value to the table creation on the rul_install
method