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@SitecoreBot SitecoreBot released this Jun 2, 2017

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NullReferenceException is thrown when CreateCyclePreventer is executed. Issue may be reproducible in case renderings are limited with security restrictions.


The release was built for and tested with the following Sitecore products in bare condition (no hotfixes, patches or other customizations, unless explicitly specified):

  • Sitecore CMS 8.2 rev. 161115 (Update-1)
  • Sitecore CMS 8.2 rev. 161221 (Update-2)
  • Sitecore CMS 8.2 rev. 170614 (Update-4)


  • bin/Sitecore.Support.166002.dll
  • App_Config/Include/zzz/Sitecore.Support.166002.config


For all Sitecore instances in the solution:

  1. Make a backup of the files mentioned in Contents section that already exist in Website folder.
  2. Extract the contents of the archive to the Website folder, overwrite existing files if any conflicts occur.


  1. Remove the files listed in the Contents section.
  2. Restore the original files from the backup made during installation.

Important Notes

  • The patch should be installed only if recommended by Sitecore Support.
  • Any related issues and other feedback should be reported via support portal, check KB 654910 for details.
  • Check KB 077333 to find more information about Sitecore Patches.
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