So when I try to upgrade to the latest patch (SugarCE-Upgrade-6.0.x-to-6.1.1.zip) I am getting the following error. I also get the following error on the Modules Page.

Any help?

Info:
My about page reports the following version; Version 6.0.0 (Build 3905)

Screen
Upgrade Wizard

Warning: require_once(cache/upload/upgrades/patch/silentUpgrade-CE-5.5.1-manifest.php) [function.require-once]: failed to open stream: No such file or directory in /var/www/html/crm/modules/UpgradeWizard/uw_utils.php on line 785

Fatal error: require_once() [function.require]: Failed opening required 'cache/upload/upgrades/patch/silentUpgrade-CE-5.5.1-manifest.php' (include_path='/var/www/html/crm/include/..:.:/usr/share/pear:/usr/share/php') in /var/www/html/crm/modules/UpgradeWizard/uw_utils.php on line 785

Screen
Module Loader
Print Help

Warning: require_once(cache/upload/upgrades/patch/silentUpgrade-CE-5.5.1-manifest.php) [function.require-once]: failed to open stream: No such file or directory in /var/www/html/crm/ModuleInstall/PackageManager/PackageManager.php on line 688

Fatal error: require_once() [function.require]: Failed opening required 'cache/upload/upgrades/patch/silentUpgrade-CE-5.5.1-manifest.php' (include_path='/var/www/html/crm/include/..:.:/usr/share/pear:/usr/share/php') in /var/www/html/crm/ModuleInstall/PackageManager/PackageManager.php on line 688