Camera is offset from path it is following The camera is constrained to follow a path, and both the path and the camera are far from the origin of the scene. I can see that the camera is being offset from the path with the same offset it had from the origin of the scene, but I don't know how to reset that.
Use Alt + G to reset the location of an object. Alternatively, you can just set the location coordinates to zero in the N panel: