Zenith
The fixes listed in here may only work for Zenith
Non-Fatal Error Upon Injection
Ensure that the channel you're currently in is LIVE. If not, this may affect your version and will be incompatible with Zenith.
Switching to Live
Visit https://rdd.weao.xyz.
You'll then see an instruction just below the box, follow the given instruction.
Once you have downloaded the archive, extract it into a folder and run "RobloxPlayerBeta.exe".
I'm currently in LIVE but it still shows the error
Search for Roblox Player via Windows search
Right-click the program then click "Open File Location"
It'll then redirect you into a folder, search for "RobloxPlayerLauncher.exe" and open the executable.
After the re-installation, re-open Roblox and retry to inject.