Could not find schema information for the element 'StructureMap'.

See more:

XML

HI ,
I am using StructureMap and i had to create a StructureMap.Config file
Here is the code of that file:

<?xml version="1.0" encoding="utf-8" ?>

<configuration>
<StructureMap>
  <DefaultInstance PluginType="Example.IUser, Example" PluggedType="Example.NewUser, Example" Scope="Singleton" />
</StructureMap>
</configuration>

Im not getting an error "StructureMap" element not declared but
i get an Message like this..(im using Visual Studio)

Could not find schema information for the element 'StructureMap'.
Could not find schema information for the element 'PluginType'.
Could not find schema information for the element 'PluggedType'.
Could not find schema information for the element 'Scope'.
Could not find schema information for the element 'DefaultInstance'.

Someone help me!

Thank you.