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Reference required to module '<modulename>' containing the base class '<classname>'

Reference required to module '<modulename>' containing the base class '<classname>'. Add one to your project.

The class is defined in a module that is not directly referenced in your project. The Visual Basic compiler requires a reference to avoid ambiguity in case the class is defined in more than one module.

Error ID: BC30008

To correct this error

  • Include the name of the unreferenced module in your project references.

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