3292053 - Crystal Reports Viewer in .NET Application is blank or shows "Error"

• Custom .NET web application using Crystal Reports Viewer is not working, with errors such as:
  • Crystal Reports Viewer area is completely blank
  • Crystal Reports Viewer area only has the word "Error"
  • "Unable to get property 'widgetType' of undefined or null reference" when running code
  • "An Error has occurred on FileName.aspx System.TypeInitializationException: The type initializer for 'CrystalDecisions.Shared.SharedUtils' threw an exception. --> System.Configuration.ConfigurationErrorsException: An error occurred creating the configuration section handler for businessObjects/crystalReportViewer: Could not load file or assembly 'System, Version=14.0.4000.0, Culture=neutral, PublicKeyToken=xx' or one of its dependencies. The system cannot find the file specified. (..\web.config line 6)--> System.IO.FileNotFoundException: Could not load file or assembly ..."
• Both versions 13 and 14 of Crystal Reports Viewer are available on the environment, or have existed at some point on the environment

One or more of the following software could be installed:

• Crystal Reports, version for Visual Studio
• SAP BusinessObjects BI Platform .NET SDK Runtime/Redistributable (version 14)
• SAP Crystal Reports runtime engine for .NET (version 13)

crystalreportsviewer, crystalreportsviewer13, crystalreportsviewer14, cr for vs, bip , KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , Problem