How to create vector<Vector3D> branch w/o dictionary?

@Axel , @pcanal
Thanks!

Is there one-line way to generate a dictionary without complicated DictDef.h and cling things?

I have tried to add line:
gInterpreter->GenerateDictionary("vector<Vector3D>","vector;DDRec/Vector3D.h");

But the same error occurs, though some Dictionary files appear in the directory…