Why Can't I Build a Multipurpose Room in Subnautica?
First, make sure you've scanned a Multipurpose Room fragment from the Degasi Seabases. Without the blueprint, you can't build it!
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You might be in an area where the terrain is too uneven. Try finding a flatter spot for your base.
Could be a glitch. Save your game, restart, and if that doesn't work, try building somewhere else.
Honestly, just make sure your habitat builder tool is equipped properly. Sometimes it's the simplest things!
Inventory full? Check if you've got the necessary Titanium to build the room. You need 6 of them!
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