Having Problems getting in.

[LMontanez78]

I can log in with all my other characters but when i try with my Lock I Can't.
this is what's showing in the box.
Honorbuddy v3.0.16640.871 started.
Logging in...
Attaching to D3D11
Attached to WoW with ID 7148

 

[Tony]

use dx9 instead plz

 

[LMontanez78]

use dx9 instead plz

What do you mean by use dx9

 

[Tony]

choose dx9 in wow settings