so this the situation: we have an opening family is used in our modeland we have a problem that some of these family units are missing when printing as PDFor exporting, in our model we have a plan with 3 different scales (1:200, 1:100, 1:50) so when exporting to DWG or printing as PDF, only in the scale 1:100 sheet, some of the units are missing and the other scales everything is fine, also in another situatiuation by other team, they have the same problem, but with scale 1:50 plans, I also rebuilt the family, but this did not help, so i am not sure where the problem comes from any idea why would this happen, graphic card, maybe??