Hello Sir/Mam,

                        I am loged in Host Login. After that i click Host Menu->Module Definitions->Install Module. I am installing chat module in our DotNetNuke application. it showing the following error.

Error:

Server Error in '/SkillDnn' Application.

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Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. 

Compiler Error Message: BC30002: Type 'Web.HttpContext' is not defined.

Source Error:

Line 307:
Line 308:            Try
Line 309:                Dim ctx As Web.HttpContext = Web.HttpContext.Current
Line 310:                Dim lvstrImageRoot As String = String.Empty
Line 311:                oCache = ctx.Cache.Get(key)