Debugging and troubleshooting in CakePHP are an inevitable part of software development. As a CakePHP developer, you very well know that no matter how well-designed and well-tested your application is, you will eventually encounter bugs and other issues that need to be fixed. After all, neglecting it can cost you your application’s functionality and performance. In CakePHP, there are a number of tools and techniques available to help you quickly identify and resolve problems in your code, such as the CakePHP debug mode.

In this blog we are going to discuss how to edit data of associated tables .The most common type error found in this that instead of updating existing records of associated data new records are created .
For example there are 2 tables
Customers  and Customer Orders.