Oh, you are totally right. I even saw this in a video but somehow ignored it. So I have to export the ybot from mixamo in the same A-Pose like manny is and it will work.
Thanks for pointing this out 
Oh, you are totally right. I even saw this in a video but somehow ignored it. So I have to export the ybot from mixamo in the same A-Pose like manny is and it will work.
Thanks for pointing this out