SystemSI仿真时VTT报错

ares0260

请教各位，在仿真ddr时有如图报错
有劳各位指点一下！！！
7 `$ m/ [+ d* n1 ?
$ b$ [( o( u1 Y+ R& {- @*** Messages reported by SPDSIM (build14.0.2.09101) ***
Warning 5160: ".ends rpacks  " is not supported in include file, ignored.
; A: n) G2 [8 W" p9 f, K  Location: statement at line 4
5 E  z) ?7 P  U$ i' t) _" D9 G  Context: .inc 'D:\Cadence-SI\CHP4\T20160612\L1\TEST\DEMO\rpacks.sp'
4 u5 u2 S' [: ^2 R( zError 2178: In the value expression:
! H2 m4 L/ r2 Y- T' e5 T Undefined parameter name "vtt".
2 ~8 E/ O: p1 ]
  Location: statement at line 197
  Context: .end

ares0260

怎么无人问津啊