If you get this error, you need to do the following to fix it!

 

1. Download and install http://download.microsoft.com/download/A/C/6/AC61A4C8-CF2A-4994-B8AD-B850759FFA7D/1033/x86/ReportBuilder3.msi

 

2. When installing, enter your default target server url, e.g. https://sccm.domain.com/reportserver

 

3. Open up regedit and change ReportBuilderApplicationManifestName to ReportBuilder_3_0_0_0.application, located under HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\ConfigMgr10\AdminUI\Reporting

 

4. Edit X:\Microsoft Configuration Manager\AdminConsole\bin\Microsoft.ConfigurationManagement.exe.config and change to ReportBuilder_3_0_0_0.application in the ReportBuilderMapping section