that is not actually true, as it turns out. the errata was made, and was all ready to go, but due to various... ah... changes over at wotc, it was never put up on the website. however, as some of you may know from my commentaries in the various psionic handbooks, i have an occasional correspondence with various designers and authors of the d&d books. one in particular (think psionics) still had the errata file, and gave it to me in our last exchange. it was his wish that those who use the complete psionic material have access to it. (though he has never been anything but most gracious and kind, i suspect that perhaps i asked him too many questions... *^^* )
therefore, i have a copy.
concerning the erudite, it is power per day, not per level per day. however, i am seriously considering a houserule that allows prestige that advance the powers known and so forth, also advance the powers per day in the case of an erudite.