UEFA cancelled results of lot 1/8 finals of LCh. What has happened?

Today in Swiss Nyon the ceremony of lot of the first stage the Champions League-2021/22 playoffs took place. Because of violation lots its results cancelled protocols, and procedure decided to carry out anew. We explain that occurred. Procedure of lot takes place as follows: officials of UEFA form of 16 teams which have won the permit in 1/8 finals of UEFA Champions League, eight couples, in each of which there are "seyany" (won first place in group) and "neseyany" (taken the second place in group) teams. 1/8 finals cannot agree on a stage the clubs playing in one group of UEFA Champions League...