[R] sessionInfo() error

[Michael Friendly]

[Using R 2.7.2 on Windows XP]
After re-building our heplots package, I've begun to get the following 
error from sessionInfo(),
even though it passes R CMD check and builds without errors:

 > sessionInfo()
Error in x$Priority : $ operator is invalid for atomic vectors
In addition: Warning message:
In FUN(c("MASS", "heplots", "car", "rgl", "stats", "graphics", 
"grDevices",  :
  DESCRIPTION file of package 'heplots' is missing or broken

The DESCRIPTION file is as follows:

Package: heplots
Type: Package
Title: Visualizing Tests in Multivariate Linear Models
Version: 0.8-3
Date: 2008-10-28
Author: John Fox, Michael Friendly, and Georges Monette
Maintainer: John Fox <jfox at mcmaster.ca>
Depends: car, graphics, stats
Suggests: rgl, candisc
LazyLoad: yes
LazyData: yes
Description: Represents sums-of-squares-and-products matrices for linear 
hypotheses and for error using ellipses (in two dimensions) and 
ellipsoids (in three dimensions).
License: GPL version 2 or newer
Packaged: Wed Jan 31 09:23:10 2007; John Fox

What is wrong here?

-Michael

-- 
Michael Friendly     Email: friendly AT yorku DOT ca 
Professor, Psychology Dept.
York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
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