DATABASE CONNECTIVITY

[eluser]majidmx[/eluser]
Double check all the spelling and capital/small cases in you file-name/class-name/ and loadings.

refering to user manual you can find this :

Where Model_name is the name of your class. Class names must have the first letter capitalized with the rest of the name lowercase. Make sure your class extends the base Model class.

The file name will be a lower case version of your class name.

It's from CI 1.7 though, you should check your corresponding version's manual/