Minecraft Xbox 360 / PS4 - How To Get The BARRIER BLOCK in TU70! *PATCHED* - YouTube
MC-50166] Game states that "The block couldn't be placed" when using /setblock to place air in a space occupied by a tile entity, despite working - Jira
Survival Plus Command Block For Minecraft 1.8.9 | PC Java Mods
How to Obtain, Program, and Activate a Command Block in Minecraft - dummies