Article ID: 9518, created on Dec 29, 2010, last review on Nov 30, 2015

  • Applies to:
  • Sitebuilder 4.5 for Windows


After installing Parallels Plesk Sitebuilder 4.5 for Windows with the latest autoinstaller it’s not available.
The following error is shown on the main page when try it from localhost  (http://localhost:2006/) or from outside (http://NNN.NNN.NNN.NNN:2006/, where NNN.NNN.NNN.NNN is IP address of Parallels Plesk Sitebuilder host):
Internal system error. Please contact administrator if the problem persists. Return to Home page

The following error is shown in the application log file:

<SITEBUILDER ROOT>\_logs\Application.log
2010-12-22 07:10:48,640 [5] FATAL SWsoft.SiteBuilder.Web.Modules.LoggingModule - Unknown exception thrown.
SWsoft.SiteBuilder.BO.Facade.UnsupportedDatabaseVersionException: ...BaseService() failed
---> TechTalk.Dal.Schema.SchemaException:
(#GEN1222) Unable to load schema from assembly "SiteBuilder.Mapping, Version=, Culture=neutral, PublicKeyToken=null".
---> System.Runtime.Serialization.SerializationException: The object with ID 66039 implements the IObjectReference interface for which all dependencies cannot be resolved.
The likely cause is two instances of IObjectReference that have a mutual dependency on each other.

Version of file SiteBuilder.Mapping.dll (<SITEBUILDER ROOT>\Utils\SiteBuilder.Mapping.dll, <SITEBUILDER ROOT>\Web\bin\SiteBuilder.Mapping.dll) is the same as version of Parallels Plesk Sitebuilder database 4.5.12.


.NET Framework version 3 or version 4 installed on your computer.


Switch .NET Framework to version 2. You may use the following command for example:

C:\WINDOWS\\Framework\v2.0.50727>aspnet_regiis.exe -s W3SVC/2/ROOT

4d336e73be6d8fa81454b57cedf8e2bb fad6dc0c8e983c17ae70a51ac7952cd0 2a62cbceb986d1b8f45bcd3ff4cb29a5 45e8c8798afdb3e279a2f84bd498d19e 56797cefb1efc9130f7c48a7d1db0f0c

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