Sony cybershot tx5 error message

[victoriawoods]

Hi,

I boiught a sony cybershot tx5, however when i insert a memory card and turn the camera on it coems up with the error message please check there are no foreign objects in the battery cover and close the message goes away when you touch it and doesnt happen again, however i have bought 2 of these camera befor this and they came up with the same error message, i have tried different memory cards in it aswell, can anyone help