Drupal 6 Upgrade to 4.3 beta4 fails

When attempting to upgrade from version 4.3 beta3 to beta4, I get the following stack trace:
#0 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Core/Error.php(308): CRM_Core_Error::backtrace()
#1 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Upgrade/Incremental/php/FourThree.php(73): CRM_Core_Error::fatal("Please reset the Drupal cache (Administer => Site Configuration => Performanc...")
#2 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Upgrade/Form.php(656): CRM_Upgrade_Incremental_php_FourThree->setPreUpgradeMessage(NULL, "4.3.beta4", "4.3.beta3")
#3 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Upgrade/Page/Upgrade.php(108): CRM_Upgrade_Form->setPreUpgradeMessage(NULL, "4.3.beta3", "4.3.beta4")
#4 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Upgrade/Page/Upgrade.php(67): CRM_Upgrade_Page_Upgrade->runIntro()
#5 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Core/Invoke.php(292): CRM_Upgrade_Page_Upgrade->run((Array:2), NULL)
#6 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Core/Invoke.php(70): CRM_Core_Invoke::runItem((Array:13))
#7 /home/dev17/public_html/sites/all/modules/civicrm/CRM/Core/Invoke.php(52): CRM_Core_Invoke::_invoke((Array:2))
#8 /home/dev17/public_html/sites/all/modules/civicrm/drupal/civicrm.module(436): CRM_Core_Invoke::invoke((Array:2))
#9 [internal function](): civicrm_invoke("upgrade")
#10 /home/dev17/public_html/includes/menu.inc(348): call_user_func_array("civicrm_invoke", (Array:1))
#11 /home/dev17/public_html/index.php(18): menu_execute_active_handler()
#12

{main}

I have already cleared the Drupal cache per the instructions several times, but there is no change with the error message.

( I am running Drupal6 )

I think this is related to the issue at: http://issues.civicrm.org/jira/browse/CRM-11823