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：
8 q2 r; g7 U9 O/ z2 gERROR - Model Model67: The [Rising Waveform]
; _5 r/ w/ S. n  U      with [R_fixture]=50 Ohms and [V_fixture]=0V
      has TYP column DC endpoints of  0.00V and  1.19v, but
( k2 c$ j1 n8 s% }8 h8 V      an equivalent load applied to the model's I-V tables yields
3 a; w3 L* U5 ^9 y8 N9 s      different voltages ( 0.00V and  0.98V),
( X: z# w3 N5 a' z. h/ Y) d      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
: B& ], _: A7 g8 t4 x3 B+ g      an equivalent load applied to the model's I-V tables yields
) F& i! e2 k' M- H      different voltages ( 0.88V and  1.80V),
6 F% K. {% L. }. Z; F$ L* s5 S      a difference of 27.06% and  0.00%, respectively.
WARNING - Model Model67 Pulldown Minimum data is non-monotonic
* @( n* H. i! o% h8 K( WWARNING - Model Model67 Pullup Maximum data is non-monotonic
ERROR - Model Model67: The [Rising Waveform]
7 W5 y0 h; s0 S' o2 n8 q: _      with [R_fixture]=50 Ohms and [V_fixture_max]=0V
      has MAX column DC endpoints of  0.00V and  1.38v, but
, H2 l5 h7 @2 m8 t      an equivalent load applied to the model's I-V tables yields
" i  b0 I4 m4 P- t$ B      different voltages ( 0.00V and  1.15V),
      a difference of  0.00% and 20.19%, respectively.
2 F1 X: D' l$ U- lERROR - Model Model67: The [Falling Waveform]
" g6 O  h, l( ?2 `      with [R_fixture]=50 Ohms and [V_fixture_max]=1.89V
; h2 R4 g0 x$ F8 X, V4 s7 t/ F      has MAX column DC endpoints of  0.53V and  1.89v, but
3 N. Y- h$ y- @+ c; a      an equivalent load applied to the model's I-V tables yields
7 l6 _( `$ m+ f1 }: w      different voltages ( 0.84V and  1.89V),
      a difference of 29.38% and  0.00%, respectively.
# J7 t9 A; Z" u. |2 L# m9 ~* P
; E  ]5 Y' y( C+ @) l哪位大侠知道的帮帮忙啊，不知道的也帮我分析分析吧。
我这有一段解释：This happens because the function acdc_VI_Given_VIC_VR() in acdc.c improperly
) ?5 O! c% S% e1 Breports the I-V/V-t intersection whenever it lies above the highest voltage in
6 ~9 W8 |' [  D0 D7 uthe 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
' j+ p# D, \% g8 P) s7 Y- xthe range from -Vcc to 2*Vcc.  Any open drain or open source model which lacks
. n$ @  V0 h( ?  t! R: O! k5 b. iclamp 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
error messages only for the MIN data because the highest voltage in the high-
: X0 L# U5 O* {  v9 b; Nstate I-V characteristic for the minimum corner lies below the 1.8 V V-T
operating voltage.

2 U: `% p3 k4 }但是缺少该怎么做啊