BuzzerBeater Forums

Why do they need to announce it?

Its right in the game manual:

In addition, there will two options available following the All-Star break for 10 scouting points each:

Scouting Combine: Every player in the upcoming draft class will show up to be measured. You can send a scout to the combine to learn the ages and heights of all 48 players in the upcoming draft class.

Group Demonstration: In order to help get their names out there, all of the players your scout estimated to be 1-ball or 2-ball prospects have offered to arrange a demonstration of their skills. This option is equivalent to scouting each of these players once, though it will not provide any additional information for players you have already scouted.

Given the allstar break haven't happened, it isn't available

I cant go either Scout Combine or Group Demonstration. I have 13 points.
Group Demonstration is already done once.

Is it maybe because update isn't finished yet, or something like that?

According to the thread's title and your message, the right place would be the Bugs Forum where this issue has already been looked and explained.

If there is fault, it's yours, you missed the right forum ;)