cakephp new field not saving

Question

How to you extend a cakePHP project so it can use a new field in the database?

I just given a CakePHP Project that I am trying to extend the model to include a new field

Answer 1

In CakePHP application, whenever you add a new field or modify the structure in database, you should delete all files inside YourApplication/app/tmp/cache/models folder.