Cannot learn skinning Please Help

Hey, as topic says can learn any profession no problem, I get to the skinning trainer and the option is not there. I have talked to two skinning trainers one in undercity the other in orgimmar and its the same problem. Have no clue how to fix this.

Looks like this:

https://i.gyazo.com/ae1741d5e0bf9e25...fdf54ee5dd.jpg

Make sure you don't have 2 primary professions already learnt.

I don't. I even got rid of my other one in case that was the cause.