after I place components, the new A999 shows up with red dot infront.

Why does this happend ?
Thank you very much. I'll take a look in this matterlin2m3 wrote:Be sure you have unique DT on every part and Ful DT field filled. If your part has more sub-parts, either you unite them or define them with a unique DT(Full DT). Red dot shows you have an error in the project from the view point of Propanel.