Destiny 2 has a plethora of error codes, which indicate a variety of issues affecting the game. They give players an idea of what the cause might be, such as by saying "this version of Destiny 2 is no longer available," but don't explicitly explain how players can fix them.
(Updated) How to Fix Destiny 2 Servers Are Not Available Error – Easy Guide
If you’re trying to play a version of Destiny 2 that’s no longer available, there’s apparently a lot more going on than just your game malfunctioning or extreme server load. The issue is likely related to server issues, including background maintenance, and as such, there’s a good chance you’ll need a little help from Bungie to resolve it.
Below you can read what this error code could mean and how to resolve it when the time comes.
The message "This version of Destiny is no longer available" appears if you preloaded The Final Shape and try to launch the game early. This is essentially a middle ground between error code CAT, which indicates you don't have the latest update, and a playable version of Destiny 2.
