I performed a normal install of openenterprise-7.x-1.0-rc3-core.tar.gz, performed updates as suggested in reports/updates, which included a manual update using drupal-7.15.tar.gz (cp -R as suggested by instructions, and still get this error.

I investigated the Drupal bugs area and found two "closed" bugs saying this "issue" is fixed in Drupal (but apparently still exists in OpenEnterprise);

http://drupal.org/node/1536194
http://drupal.org/node/1428952

The "patch":
Posted by trailerparkopera on July 10, 2012 at 11:54am
Here's a patch that fixes this in the UUID .dev version

Attachment Size
uuid_fix_missing_var_1536194.patch 280 bytes

which looks like this:
--- a/uuid.tokens.inc
+++ b/uuid.tokens.inc
@@ -45,6 +45,7 @@
* Implements hook_tokens().
*/
function uuid_tokens($type, $tokens, array $data = array(), array $options = array()) {
+$replacements = array();
switch ($type) {
case 'node':
$node = $data['node'];

This patch appears to remove the error I see in a fresh install.

Actions I took during the install (to reproduce this issue):

tar xzf /home/install/linux/drupal/openenterprise-7.x-1.0-rc3-core.tar.gz
mv openenterprise-7.x-1.0-rc3/ oe
chown -R wwwrun:www oe
chmod -R g+w,o+w oe
mysqladmin -u drupal -p create webarno
Google Chrome
=============
http://arno.com/oe/
Choose Profile:  OpenEnterprise
Choose language: English
Database type:   MySQL
Database name:   webarno
Database username: drupal
Database password: mysecret
Configure site
Site name: Arno, Inc.
Site e-mail address: craig@arno.com
Username: craig
E-mail address: craig@arno.com
Password: mysecret
Confirm password: mysecret
Default country: United States
Default time zone: America/Los Angeles
UPDATE NOTIFICATIONS
<selected> Check for updates automatically
<selected> Receive e-mail notifications
Apps
<unselected> Blog
<selected> Rotating Banner
<selected> SEO Essentials
<selected> Webform
<Selected> DEAFAULT CONTENT
<Click> Install Apps
"Updates downloaded successfully"
FTP connection settings
Username: craig
Password: mysecret

Log messages:
Warning: opendir(sites/all/libraries): failed to open dir: Permission denied in libraries_get_libraries() (line 90 of /home/www/htdocs/oe/profiles/openenterprise/modules/libraries/libraries.module).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Warning: opendir(sites/all/libraries): failed to open dir: Permission denied in libraries_get_libraries() (line 90 of /home/www/htdocs/oe/profiles/openenterprise/modules/libraries/libraries.module).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: getimagesize(): Read error! in image_gd_get_info() (line 349 of /home/www/htdocs/oe/modules/system/image.gd.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).
Notice: Undefined variable: replacements in uuid_tokens() (line 95 of /home/www/htdocs/oe/sites/all/modules/uuid/uuid.tokens.inc).

Comments

After looking at the distribution packages; openenterprise-7.x-1.0-rc3-core.tar.gz and drupal-7.15.tar.gz the file uuid.tokens.inc is not "delivered" in the archive package. I don't know when uuid.tokens.inc gets created, generated, or downloaded. The "patch" described above suggests how to modify the uuid.tokens.inc file after it comes into existence, but doesn't discuss the uuid.tokens.inc file source, which for a -real- fix needs to be addressed.

For install/debug: Each time I start over, it is with the following commands, so I get a "true" unadulterated fresh start:

  rm -r oe
  mysqladmin -u drupal -p drop webarno

This issue continues. I had to add the $replacements=array() in the current rc as well.