The compiler cannot evaluate the code.
Simplify the code by splitting classes or functions.
Give some code examples.
This article is a derivative work based on http://msdn.microsoft.com/en-us/library/ws1s9xz9.aspx" title="http://msdn.microsoft.com/en-us/library/ws1s9xz9.aspx" target="_blank">Fatal Error C1505 which is provided by http://msdn.microsoft.com/en-us/library/60k1461a.aspx" title="http://msdn.microsoft.com/en-us/library/60k1461a.aspx" target="_blank">MSDN Community Content - Visual C++.