How to remove the error in the unit?

Question

Unity

How to remove an error in unity on platform effector 2d this effector will not function unity there is at least one enable 2d collider with used by effector checked on this GameObject Rigidbody2D is on the object, the effector itself does not work

Answer 1

If I guessed correctly where the comma is, then:
The error says that there should be a Collider2D, add it, but Rigidbody2D has nothing to do with it.

Answer 2

Only css solution , without js and pictures:
jsfiddle.net/Symphony/t85e7kL5

Answer 3

Probably something like this http://jsfiddle.net/wrz8o1Lb