Half Slabs causing "Your home bed was missing or obstructed"

[TreeDB]

Location on the test server : -238 70 282

After sleeping in the bed on the half slabs then dying you won't respawn to the correct location and get the message "Your home bed was missing or obstructed"

[ttk2]

that's been around for a while, its a MC bug not ours

[Maxopoly]

That shouldn't prevent us from doing a humbug fix for it eventually. Shouldn't be too hard.