When migrating from css3pie-6.x-1.0-alpha5 to css3pie-6.x-1.0-beta2 Drupal's update.php script spits out the following error message:

Drupal database update

warning: array_merge(): Argument #2 is not an array in /www/htdocs/update.php on line 173.
warning: Invalid argument supplied for foreach() in /www/htdocs/update.php on line 337.

Updates were attempted. If you see no failures below, you may proceed happily to the administration pages. Otherwise, you may need to update your database manually. All errors have been logged.

Main page
Administration pages

The following queries were executed
css3pie module
Update #6001

The Drupal plugin is a separate project unassociated with the main PIE project. You should direct this to the Drupal plugin project using whatever feedback methods they provide.

http://drupal.org/project/css3pie/