ITEL 1452 : Camera error, can't connect to the camera.

Hello to all members of XDA,
My name is Fehren and I have a problem you submit, I heard the good of your site , you told me that you are the best.
In recent weeks, my phone 's ITEL 1452 camera does not work, every time I try to take a photo is the message that appears: " Camera error, can't connect to the camera. " I did a screen capture so you have the information on my laptop and the problem

I tried to solve the problem:
- by resetting my phone,
-by suppressing the system 's camera and since then I am unable to reinstall camera.apk
the ability of the application is now 32ko
What should I do so that the mo camera phone working again ?

I really need your help. Thank you