Server Error in '/CloudPanel' Application. Configuration Error After Upgrading from 188.8.131.52 to 3.1.1540
Server Error in '/CloudPanel' Application.
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: The 'targetFramework' attribute in the <compilation> element of the Web.config file is used only to target version 4.0 and later of the .NET Framework (for example, '<compilation targetFramework="4.0">'). The 'targetFramework' attribute currently references a version that is later than the installed version of the .NET Framework. Specify a valid target version of the .NET Framework, or install the required version of the .NET Framework.
Line 124: </log4net>
Line 125: <system.web>
Line 126: <compilation targetFramework="4.6.1" />
Line 127: <httpHandlers>
Line 128: <add verb="*" type="Nancy.Hosting.Aspnet.NancyHttpRequestHandler" path="*" />
Source File: C:\Program Files (x86)\Know More IT\CloudPanel\web.config Line: 126
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.36393
Got this error from http://localhost/CloudPanel/
Thanks for your help!
You may want to post support related questions here in the future: http://knowmoreit.com/support/free/
Judging by the error it looks like you don't have the latest .NET framework installed required by CloudPanel. The newer versions require .NET 4.6.1 or later.