Create Model - Error Saving Record

[David Ellison]

Go to settings, database Structure and select models.

Create a model called x_test, give it a column x_test, save the model and create a menu.

Go to the new menu, click create in the tree view and enter something in the field, click save.

We get the below error, when checking the database, the table x_test does not contain the fields I created. Which I believe because its been setup internally created are stored else where.

ProgrammingError: column "x_test" of relation "x_test" does not exist
LINE 1: insert into "x_test" (id,"x_test",create_uid,create_date,wri...

Tried restarting DB and OpenERP, updated to latest version in Ubuntu. Error still occurs.