Warning - Empty Target Namespace
Error Code
BEC1007
Explanation
The Target Namespace property of the Schema node has not been set. Although not required, it is recommended that you define a unique target namespace for each of your schemas.
User Action
Unless there is a good reason not to, select the Schema node of this schema, and then in the Microsoft® Visual Studio Properties window, provide a value for the Target Namespace property that is unique to this schema.