/w, /tell and /msg with you as target outputs incorrect string

Using any of the following commands will output a incorrect string:

/w @p <text>
/tell @p <text>
/msg @p <text>

The feedback:

Player 'commands.message.sameTarget' cannot be found

This message is wrong in the first place, and not really a missing string, as 1.10.2 outputs

You can't send a private message to yourself!