Mouse click not responding

I want to see if anyone else has had this issue. I have recently come back to SWTOR after over a year away. I have updated the game and logged back in. On logging in I have noticed that my characters abilities are not activating when first clicked. When I move my character I cannot activate any of my abilities no matter how many times I click. I can also not click and hold to move the camera position while my character is moving. Has anyone else had this problem? and if so how did you resolve this? Thanks