Missing workstation items, can't make most items

Greetings @Insky ,

Thank you for your report. Please follow the steps to verify your game files:

1. Open Steam
2. In Library, click with the right button on the game and select “Properties”
3. Select the Installed files
4. Select Verify integrity of game files….

If the issue still persists, please try to log into a single-player game before jumping into an official server.

Thanks in advance.