hi this is imran

i am upgrading dnn 4.9 to dnn 6.0.2 and getting this error please help me for this  

 
 Server Error in '/CooperUpgrade.ma' Application.
 Could not find file 'c:\inetpub\wwwroot\CooperUpgrade.ma\DotNetNuke.config'.
 Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
 
 Exception Details: System.IO.FileNotFoundException: Could not find file 'c:\inetpub\wwwroot\CooperUpgrade.ma\DotNetNuke.config'.
 
 Source Error:
 
 An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
 
 Stack Trace:
 
 [FileNotFoundException: Could not find file 'c:\inetpub\wwwroot\CooperUpgrade.ma\DotNetNuke.config'.]
    System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +305
    System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) +1162
    System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) +66
    DotNetNuke.HttpModules.RequestFilter.RequestFilterSettings.GetSettings() +149
    DotNetNuke.HttpModules.RequestFilter.RequestFilterModule.FilterRequest(Object sender, EventArgs e) +544
    System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68
    System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
 
 
 Version Information: Microsoft .NET Framework Version:2.0.50727.3625; ASP.NET Version:2.0.50727.3618  
 
 
 its so weired issue i am getting  
 
 thanks in advanced