MINECRAFT 1.12.0.2 android is impossible to give command blocks, if they are enabled too

Hello, when I have give command blocks by /give command Is impossible to give then.

I normaly used the give command: / give @s command_block 1

Minecraft write error: Syntax error:  Unexpected"command_block":at" LSnukeCZ》command_block《1"

In the world is enabled cheats, command blocks and I am operator of the world.

This error didn't happen next the last update. 

Thank you developers for fixing of problem.

And have a nice day.

Player Ladislav