请各位大侠帮我看一下这个ibis模型怎么了

huzhongmoshui

请各位大侠帮我看一下这个ibis模型怎么了，这是我从TI官网上下载的，在编译的时候报错：
ERROR - Model Model67: The [Rising Waveform]
      with [R_fixture]=50 Ohms and [V_fixture]=0V
1 C/ n2 I  c9 C5 P/ q      has TYP column DC endpoints of  0.00V and  1.19v, but
      an equivalent load applied to the model's I-V tables yields
      different voltages ( 0.00V and  0.98V),
      a difference of  0.00% and 21.94%, respectively.
ERROR - Model Model67: The [Falling Waveform]
      with [R_fixture]=50 Ohms and [V_fixture]=1.8V
      has TYP column DC endpoints of  0.63V and  1.80v, but
      an equivalent load applied to the model's I-V tables yields
& `2 H8 T, m5 t; j3 w* o" g, d      different voltages ( 0.88V and  1.80V),
8 B1 D2 F9 Z& F* G9 G      a difference of 27.06% and  0.00%, respectively.
WARNING - Model Model67 Pulldown Minimum data is non-monotonic
WARNING - Model Model67 Pullup Maximum data is non-monotonic
1 G# B2 u) h% R  W/ eERROR - Model Model67: The [Rising Waveform]
  }$ K( i! t& W' P7 S  m1 P      with [R_fixture]=50 Ohms and [V_fixture_max]=0V
      has MAX column DC endpoints of  0.00V and  1.38v, but
' ~5 V) C% x, j- x0 p5 t      an equivalent load applied to the model's I-V tables yields
      different voltages ( 0.00V and  1.15V),
      a difference of  0.00% and 20.19%, respectively.
7 E8 C' Q0 A' |" P' G/ d2 g% L/ GERROR - Model Model67: The [Falling Waveform]
      with [R_fixture]=50 Ohms and [V_fixture_max]=1.89V
& G: W2 g3 h. ]% l" q      has MAX column DC endpoints of  0.53V and  1.89v, but
8 T, W$ W( g% J- d" R: Z      an equivalent load applied to the model's I-V tables yields
8 W2 W! Z  D: ^% @% o1 w2 u      different voltages ( 0.84V and  1.89V),
      a difference of 29.38% and  0.00%, respectively.

& ?% ?4 B% v+ X哪位大侠知道的帮帮忙啊，不知道的也帮我分析分析吧。
1 ^5 T0 n& s& W, E我这有一段解释：This happens because the function acdc_VI_Given_VIC_VR() in acdc.c improperly
4 r7 D% u8 Q' I" Breports the I-V/V-t intersection whenever it lies above the highest voltage in
/ T% n8 G3 @' o- ^% Zthe I-V characteristic.  This defect is likely to show itself in models lacking
clamp tables and in which either the [Pullup] or [Pulldown] table does not cover
3 v& e& [0 t! x: B: P) {1 q6 Mthe range from -Vcc to 2*Vcc.  Any open drain or open source model which lacks
2 [- R3 w/ E0 u8 |( sclamp tables is likely to meet these conditions because it is likely to lack
either the [Pullup] or [Pulldown] table.  In this test case, IBISCHK generates
# m' f3 Q. ]( S1 N2 serror messages only for the MIN data because the highest voltage in the high-
state I-V characteristic for the minimum corner lies below the 1.8 V V-T
/ j5 ]- ~6 `: ^- a2 Z  `- G5 Yoperating voltage.
( [1 I" N, D/ J3 \2 j
% W) ]/ B7 O6 L# ~9 ~但是缺少该怎么做啊