Rigging, skin weight paint

[prashantgoyal672]

hello,
I'm not good in English, forgive for that.
1. I select the multi mesh.

2. I select the bone/joint.
3. skin bind.
4. select the all mesh and hit the skin weight paint.
5. only one mesh have skin weight.
6. error pop-up, i attached the error screenshot

please someone give me the solution.

[mcw0]

#4.  You can only paint on one mesh at a time.