成唯識論演祕 7.159

7.159

遍計所執真如無體，故不於彼所執如上而起願求。然七十二據實真如，不名無願，亦不相違。

The imagined suchness has no real substance; hence, one does not give rise to wish and seeking toward suchness as imagined. However, fascicle seventy-two [of the Yogācārabhūmi] is based on actual suchness, which is not termed wishless; thus there is no contradiction.