Verify that the Steam API library is present and properly registered:
SteamInternal_CreateInterface is an internal function inside steamclient.dll . When a game or Steam itself tries to call it but finds an of that DLL (or a completely different DLL with the same name), Windows throws this error. This is common after: Verify that the Steam API library is present
This forces Steam to redownload the correct version of the DLL. Verify that the Steam API library is present
Sometimes, a game is simply too old or has a configuration file pointing to the wrong place. Verify that the Steam API library is present
Essentially, your game is trying to speak 2018 Steam, but your computer is running 2024 Steam.
Ensure that your Steam client is up-to-date, as an outdated client can cause compatibility issues. To update the Steam client: