hspice propagation delay warning

.option scale=10n
VDD VDD 0 1V
VSS VSS 0 0
VB B 0 pulse(0 1 1n 100p 100p 5n 10n)
VA A 0 pulse(0 1 1n 100p 100p 5n 10n)
VC C 0 pulse(0 1 1n 100p 100p 5n 10n)
VD D 0 pulse(0 1 1n 100p 100p 5n 10n)
VE E 0 pulse(0 1 1n 100p 100p 5n 10n)
***
.tran 0.1p 30n
.measure tran tdA trig v(A) val=0.5 rise=1
+                  targ v(Y) val=0.5 fall=1
.measure tran tdB trig v(B) val=0.5 rise=1
+                  targ v(Y) val=0.5 fall=1
.measure tran tdC trig v(C) val=0.5 rise=1
+                  targ v(Y) val=0.5 fall=1
.measure tran tdD trig v(D) val=0.5 rise=1
+                  targ v(Y) val=0.5 fall=1
.measure tran tdE trig v(E) val=0.5 rise=1
+                  targ v(Y) val=0.5 fall=1

.measure tran pwr AVG POWER

****** transient analysis tnom=  25.000 temp=  25.000 ******
  **warning** (AND5x2_ASAP7_75t_L_dh.sp:46) .MEASURE tda never reached the target value, Measurement failed!
   tda= failed       targ= not found    trig=    1.0500n
   tdb= failed       targ= not found    trig=    1.0500n
   tdc= failed       targ= not found    trig=    1.0500n
   tdd= failed       targ= not found    trig=    1.0500n
   tde= failed       targ= not found    trig=    1.0500n
 pwr=  27.4716p  from=   0.             to=  30.0000n