Lots of SQL errors, etc, in various places.

When first installing drupal, and turning on the various ecommerce modules:

user warning: Field 'help' doesn't have a default value query: INSERT INTO ec_workflow_statuses (workflow, description, type, weight) VALUES (1, 'received', 0, 1) in C:\projects\UTN Website\utndemo\drupal-6.9b\sites\all\modules\ecommerce\ec_store\ec_store.install on line 32.
[repeated lots of times, with different values for the description field]
warning: mysql_real_escape_string() expects parameter 1 to be string, array given in C:\projects\UTN Website\utndemo\drupal-6.9b\includes\database.mysql.inc on line 321.

When trying to check out:
* user warning: Field 'token' doesn't have a default value query: INSERT INTO ec_customer (type, exid) VALUES ('user', '1') in C:\projects\UTN Website\utndemo\drupal-6.9b\includes\common.inc on line 3425.
* user warning: Field 'ecid' doesn't have a default value query: INSERT INTO ec_transaction (type, mail, payment_method, workflow, shippable, currency, gross, created, changed, duedate, token) VALUES ('ec_buynow', 'dewi@abitechnologies.co.uk', '', 1, 0, 'GBP', 7, 1235051102, 1235051102, 0, '') in C:\projects\UTN Website\utndemo\drupal-6.9b\includes\common.inc on line 3425.
* warning: Invalid argument supplied for foreach() in C:\projects\UTN Website\utndemo\drupal-6.9b\sites\all\modules\ecommerce\ec_checkout\ec_checkout.module on line 141.