Known Issue: 
Obtaining advanced modification station / vehicle upgrade console blueprints
may temporarily prevent the default blueprints from being accessible. 
To fix, save your game and load back in. 



=====Installation=====
Make a backup copy/rename the original 
\Subnautica\Subnautica_Data\Managed\Assembly-CSharp.dll 
and then move the Assembly-CSharp.dll file from the zip file to the
Managed folder.