Task 002: Install on Drupal 5.1 and import simple book pages exported from Drupal 4.7.6 in Task 001.
I used my Drupal Sandbox from the Drupal Dojo class (fairly new installation, doesn't really matter what I have installed there).
Test Case 002
Download latest version of module from CVS HEAD.
Follow same directions for installation (as per README.txt).
Go to Administer >> import.
Import first simple file from Test Case 001 (Task 001).
Go to Administer >> content and visualize imported nodes.
Upon attempting to enable module, following error is created: