Yah they made the announcement on that. From discord:
Raid: Shadow Legends Official #announcements
SERVER
— Today at 10:47 AM
@everyone This is an update on the Clan vs. Clan tournament with personal rewards situation.
As you know, today was (or should have been) the first launch of the Clan vs Clan tournament featuring Personal rewards. Sadly, all players have been placed in the first Tier due to a number of technical issues. Once the Tournament has started, we cannot stop it and start anew. This is why, just for this once, Tiers for Personal Rewards will remain what they are. We do apologize for the whole situation.
The next Clan vs. Clan Tournament, which is scheduled for October 26, will feature the Personal rewards pool based on a player’s performance in the previous CvC tournament (the current one).
On a separate note, after the last server reboot, all players affected by the issue with the missing CvC points should have received them properly.