GF_SG_INVALID_PROTO  906 src/scenegraph/vrml_proto.c 			return GF_SG_INVALID_PROTO;
GF_SG_INVALID_PROTO  997 src/scenegraph/vrml_proto.c 			return GF_SG_INVALID_PROTO;
GF_SG_INVALID_PROTO  534 src/utils/error.c 	case GF_SG_INVALID_PROTO: