This is happening to me on my AMD Radeon 6480
Images of the bug (AMD Radeon Graphics card) render distance 11, 1.8.1-pre3
Thread says resolved, but Still broken.. :/
IT happens to Etho a bunch in this video: https://www.youtube.com/watch?v=dho3KHcerYs
as you can see in chat, the command was successful, but the error message remains.