'serious error. stop charging, stop using your phone and contact a sony ericsson contact center'

you imei has been blocked by service center. go to sony erricson service center and activate it. must take mobile box and guarantee card with you. and also invoice if u have.

for details visit this Mobile Solutions

As you said in the question some of the sony ericsson mobile will face this problem because of charging.You just need to contact you are nearest service center.They will take few minutes to solve you are problem.Your mobile as a small problem with it.Service you are mobile as soon as possible before it is to late.Thanks for your question.

The phone told you what to do. Don't charge it, don't use it, and call their support center. 1 866 766 9374 (Toll Free) - 1-877-7XPERIA (1-877-797-3742) should get you moving in the correct direction.

Serious error: stop charging. Stop using your...

You are using a wrong charger that is not original. Please change the charger or use a universal charger, you may damage your phone if you insist

here is the solution for this problem Serious error stop charging

charger or battery faulty, replace 1 by 1 both if necessary, i would start with battery

ohhhh this is a error

This should be a hardware problem. Take it to the Sony Center.

better take it back to the store or do what they say call Sony. Only way to stop it