Cannot create organization

I try to create an organization and I got the following error message:
"The website encountered an unexpected error. Please try again later."

Edit: More info. This is what I got from the logs:

PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'vid' cannot be null: INSERT INTO {node} (vid, type, language, title, uid, status, created, changed, comment, promote, sticky) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9, :db_insert_placeholder_10); Array ( [:db_insert_placeholder_0] => [:db_insert_placeholder_1] => stormorganization [:db_insert_placeholder_2] => und [:db_insert_placeholder_3] => Name [:db_insert_placeholder_4] => 1 [:db_insert_placeholder_5] => 1 [:db_insert_placeholder_6] => 1343735807 [:db_insert_placeholder_7] => 1343735807 [:db_insert_placeholder_8] => 2 [:db_insert_placeholder_9] => 0 [:db_insert_placeholder_10] => 0 ) in drupal_write_record() (line 7013 of includes/common.inc).