acaryera dosa nahi, isvara-ajna haila
ataeva kalpana kari' nastika-sastra kaila
acaryera—of Sankaracarya; dosa—fault; nahi—there is not; isvara-ajna—the order of the Supreme Personality of Godhead; haila—there was; ataeva—therefore; kalpana—imagination; kari'-making; nastika—atheistic; sastra—scriptures; kaila—prepared.
"Actually there is no fault on the part of Sankaracarya. He simply carried out the order of the Supreme Personality of Godhead. He had to imagine some kind of interpretation, and therefore he presented a kind of Vedic scripture that is full of atheism.
Link to this page: https://prabhupadabooks.com/cc/madhya/6/180