I'm getting the following error when I access the store. There are no customizations within the site. Any clue???

Compilation Error

Description An error occured...

Compiler Error Message: the type Asi.Bae.Web.Orders.Admin exists in both c:\windows\microsoft.net\...\Asi.Webroot.Core.Admin.Orders.DLL and c:\windows\microsoft.net\...\Asi.iWC.Core.Admin.Orders.DLL

Line 123: [System.Runtime.CompilerServices.CompilerGlobabalScopeAttribute()]
Line 124: public class core_admin_orders_default_aspx : global ::Asi.Bae.Web.Orders.Admin.OrderAdmin, System.Web.SessionState.IRequiresresSessionState, System.Web.IHttpHandler{

Source File: C;\windows\Microsoft.net\...\app)web_default.aspx.8594566c.dq_unfkw.0.cs   Line 124