error

The error would be for Americans to be surprised when the boulder rolls back down – shocked that there was no progress and that everyone has to start over again.

Labour deputy leadership contender Lucy Powell, who was fired by Sir Keir Starmer in his cabinet reshuffle, has criticised "unforced errors" by the government over welfare.

The ambulance service worker was asked why she had not done that, to which she responded: "I don't know why I didn't... it was an error of misunderstanding."

She added: "The government now needs to step up, launch an investigation and ensure that the ONS is given access to the data it needs so that it can never make this error again."

However, he says outputs still require verification before use, as hallucinations and factual errors remain common.