title: Invalid data provided22 in ./__swift/library/TemplateEngine/class.SWIFT_TemplateEngine.php:1091
body: <p>Trying to upgrade Kayako to 4.50.
  Downloaded and installed engage_stable_sourceobf_4_50_1636.tar.gz. 
  Configured by following HOWTO: <a href="http://wiki.kayako.com/display/DOCS/Upgrading+your+helpdesk" rel="nofollow">http://wiki.kayako.com/display/DOCS/Upgrading+your+helpdesk</a></p>
  
  <p>However when I go to the new site I get the below error.</p>
  
  <pre><code>Uncaught Exception
  Invalid data provided22 in ./__swift/library/TemplateEngine/class.SWIFT_TemplateEngine.php:1091
  =================================================================================================================================
  
  #0 ./__swift/library/TemplateEngine/class.SWIFT_TemplateEngine.php(113): SWIFT_TemplateEngine-&gt;LoadTemplateGroup(false)
  #1 ./__swift/library/TemplateEngine/class.SWIFT_TemplateEngine.php(803): SWIFT_TemplateEngine-&gt;__construct(1)
  #2 ./__swift/library/class.SWIFT.php(16): SWIFT_TemplateEngine::LoadEngine()
  #3 ./__swift/library/class.SWIFT.php(16): SWIFT-&gt;Initialize()
  #4 ./__swift/swift.php(16): SWIFT::GetInstance()
  #5 ./index.php(28): require_once('/home/redpocket...')
  #6 {main}
  </code></pre>
  
  <p>Has anyone came across this before? </p>