'System.Web.HttpException' occurred in System.Web.dll ?

Question

i add the below code for some datatable connection in global.asax page.

void Application_Start(object sender, EventArgs e)
{
string destinationConfigName = "development";
IDestinationConfiguration destinationConfig = null;
bool destinationIsInitalized = false;
if (!destinationIsInitalized)
{
destinationConfig = new SAPDestinationConfig();
destinationConfig.GetParameters(destinationConfigName);
RfcDestinationManager.RegisterDestinationConfiguration(destinationConfig);
destinationIsInitalized = true;
}
}

 

 

but i add the above code below error is occured. i search in online but no solutions is fix this issue.

 

 

Error:

An exception of type 'System.Web.HttpException' occurred in System.Web.dll but was not handled in user code

Additional information: Request is not available in this context