It was not an error, she told the truth.
KJP is clearly in over her head. These slips will get her REMOVED, without recourse and with firm resolve on the part of the White House oligarchy. Tipping the cards too far is a crime that cancels all the tokens she has in her resume.
An inadvertent whistleblower.
She basically let slip what Admin officials are actually planning behind closed doors. She is the perfect embodiment of the Biden Administration