Here is a more complete error report
Thanks
Pat Tormey NH USA
Server Error in '/DotNetNuke_2' Application.
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Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Section or group name 'data' is already defined. Updates to this may only occur at the configuration level where it is defined.
Source Error:
Line 4: <sectionGroup name="dotnetnuke">
Line 5: <!-- the requirePermission attribute will cause a syntax warning - please ignore - it is required for Medium Trust support-->
Line 6: <section name="data" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
Line 7: <section name="logging" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
Line 8: <section name="scheduling" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
Source File: C:\Dnn402\Website\web.config Line: 6
Show Additional Configuration Errors:
Section or group name 'logging' is already defined. Updates to this may only occur at the configuration level where it is defined. (C:\Dnn402\Website\web.config line 7)
Section or group name 'scheduling' is already defined. Updates to this may only occur at the configuration level where it is defined. (C:\Dnn402\Website\web.config line 8)
Section or group name 'htmlEditor' is already defined. Updates to this may only occur at the configuration level where it is defined. (C:\Dnn402\Website\web.config line 9)
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42