On the first screenshot, you can see the command which I have typed to get an unbreakable item (wooden sword), after that I pressed 'Confirm/Send' button and on the second screenshot you can see error with translation and bug with none-working command. Currently I am playing with using russian/ukrainian languages.
MCPE-47797
Bug with translation of an error. (+command using issue)
Resolved
Invalid
0
Using data tags in commands currently only has limited functionality.
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