Sometime after several changes made in setting in your android phone, you may encounter this error you face the following problem in your device
If you search for the solution of these problem in other web you will get option on adding account through calendar but it doesn’t work because when you type email id and password and press next button you will get the error no 3.
Here I am sharing the 100% working solution for this problem without formatting your device.
Enable Root Explorer option for giving Root access[/caption]
Now when you open Play store you will find that your problem is solved.
NOTE- Try this method at your own risk.