1035 - Excessive depth complexity when parsing BFFs.

Description
The maximum depth was reached during BFF parsing. This can be caused by a recursive include, or by an excessively complex BFF configuration.
Example
Config:
#include "fbuild.bff" // Include self
Output:
c:\test\fbuild.bff(1):(10) FASTBuild Error #1035 - Excessive depth complexity when parsing BFFs. Check for resursive includes or simplify config. #include "fbuild.bff" // include self ^ \--here