[IBIS] [Driver Schedule] - HSPICE Syntax

Does anybody know if [Driver Schedule] - is supported in Hspice Syntax?

I get the following error message:

***************************************

 ** warning** iob_eles2:116:
    Rising waveform is not found, Ramp data used instead

 ** warning** iob_eles2:112:
    Falling waveform is not found, Ramp data used instead

 ** error** iob_eles2:9023:
    can not find max value for rising ramp
    i,v_ot,v_oto,vrl,vrlo         0  0.0000E+00  0.0000E+00  0.0000E+00
0.0000E+00

***************************************
*   IBIS buffer name  = b_output125
*   FILE        = /auto/.../xxx.ibs
*   MODEL       = srds_m_3_p_0_v_0
*   BUFFER TYPE = OUTPUT


*****************************************
Naftali Refaeli
30 Hasivim St.
Petah-Tikva 49133  Israel
Tl.     +972-3-9266973       Fax:   +972-3-9268188
*****************************************

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