用HSPICE跑simulation出現time step too small的錯誤

basil

**warning** autoconvergence is invoked, trying method=gear.
  d+ J  x5 ]& h2 @2 p8 D
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**error**  internal timestep too small in transient analysis
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9 Q' I0 j+ }/ ~4 s, J! p6 K: F          time =  0.21502E-07;  delta =  0.32432E-17;  numnit = 25222
+ |. _" k  X& w1 ^: l2 \7 k

& V, B6 w; U  y& y$ c1 H% V$ f: F! J **diagnostic** tran convergence failure.
you can disable autoconvergence by setting trcon=0, and try other options.
我的提示是这样，大家看看是怎么回事