To debug this module, change its project build configuration to Debug mode.? while project running debugging error occer

Question

The following module was built either with optimizations enabled or without debug information:
i run my project the following message box occur  after that page is run but every time it will display same message .if you have any idea about this error share me on this mail id or in the same site  [email protected]
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\bsnlap\a679cf87\fc5b63f5\assembly\dl3\05231fa8\00f99b7f_5401cb01\BusinessComponents.DLL
 
To debug this module, change its project build configuration to Debug mode. To suppress this message, disable the 'Warn if no user code on launch' debugger option.
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