mixed mode AB and BG. wont mount in BG

[jprd105]

How do i make it so it will mount in BG with ground mount and then use flying mount with using AB. Right now i have it on automatically find mount. there is no writing in the mount name area.

 

[redbullobx]

How do i make it so it will mount in BG with ground mount and then use flying mount with using AB. Right now i have it on automatically find mount. there is no writing in the mount name area.

I would also like to know the anwser to this!!