I wouldn't say that the Robot "cannot count," but that your Blackwood response simply pushed you past your last making contract.
While I don't like your bidding much (how many points did you count for that singleton
♣Q?
- and you appear "short a heart" as well as "short an Ace"), the Robot (in my observations from my brief experience with it) doesn't downgrade its hand enough for wasted honors opposite known singletons. South needs to produce either a spade cuebid or first round control in clubs to continue beyond 4
♥, so I would describe the Blackwood call by the Robot as a clear error.