A specific column is not being inserted when saving a record

Question

I am working with CakePHP 1.3.13. Here I have writen a code to insert form in to database.

Here, deals database table looks like below.

Answer 1

Modifying

app/Config/core.php 
Config::write('debug',2); 

Refreshing a page and restoring

Config::write('debug'); 

to original value will also work.