Invalid target revision

You have either not specified any target revision on which to perform this function, or the specified revision does not exist, or you are attempting to hide the current revision.

ᱢᱩᱬᱩᱛ ᱥᱟᱦᱴᱟ ᱛᱮ ᱨᱩᱭᱟᱹᱲᱚᱜ ᱢᱮ