1.14 Turtle mounts not displayed

I use 1.14.2 version WOW.
After I bought a Turtle mounts, it shows"can’t find it".
Do I need to update anything?

Mine is the same

Hello, GM, I would like to ask, you released version 1.14, 3.9, but I will not change the file what to do, is there a detailed tutorial? Purchased the mall mount, 1.14 cannot be used, thank you very much