> mod_vflow_wrap.c:494: UILink.h: No such file or directory > mod_vflow_wrap.c:497: UINodeParameters.h: No such file or directory > mod_vflow_wrap.c:498: UINode.h: No such file or directory > mod_vflow_wrap.c:499: UINetwork.h: No such file or directory > mod_vflow_wrap.c:500: UIDocument.h: No such file or directory Did you install Overflow, at least version 0.5.0?