Why doesn't buddy attack?

Why is it everytime i come against a fellow horde my buddy refuses to attack him while using combat bot? this is everytime i'm in bg's, arena's, duels. and before you say fresh install, i've already done this several times

 

Hi, Lexious,

Please make a post into the Support forum, and you must attach a full log that demonstrates your issue.

Ref: [Guide] How to attach your log​

Thread closed--please follow up to Support forum.

cheers,
chinajade