After moving the FPS

So i create a button that when the user click on it the FPS start moving from point A to B and every thing work fine but after it reach the point B The mouse look for FPS when i move the mouse around it just go in big circle not just left and right and the colliders in the project been disabled i do not know if there some thing to check where this problem from?

thanks

do u use standard assets(first person controller)?
put the code here so others can help you.