Getting error messages in your account and you are not able to resolve it, try this first update browser of your machine and then log off from your account and sign-in again. You will not receive error again. However, if the problem persist and give you trouble even after doing this action then call to Gmail customer care number and get help from them. The support team will provide you all necessary assistance whenever it is required. You can call them anytime and from any location. Gmail customer care team is always there to help you and give smooth working account to work with.