E2068 'identifier' is not a non-static data member and can't be initialized here (C++)
Go Up to Compiler Errors And Warnings (C++) Index
Only data members can be initialized in the initializers of a constructor.
This message means that the list includes a static member or function member.
Static members must be initialized outside of the class, for example:
class A { static int i; }; int A::i = -1;