why does not it work even after I reshape the varialbes

[du hui <bjduhui@xxxxxxxxxxx>]

I have reshaped the variables I am ploting, but it still does not work
the error message is following when i ran it

yes? go test.jnl 200
USE mm5_lon180.ctrl.nc
USE indwp_control.nc
use daily_reanal
!use rean_daily_tropics_90.nc
let n1=792
let n2=731
let n=730
let var1=UNEW[d=1,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,T=@var]
!-> DEFINE VARIABLE 
var1=UNEW[d=1,x=47.5E:177.5E,y=22.5N:22.5S,z=200,T=@var]
let var2=U[d=2,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,T=@var]
!-> DEFINE VARIABLE var2=U[d=2,x=47.5E:177.5E,y=22.5N:22.5S,z=200,T=@var]
let var0=u[d=3,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,T=@var]
!-> DEFINE VARIABLE var0=u[d=3,x=47.5E:177.5E,y=22.5N:22.5S,z=200,T=@var]
define axis/t=1:1:1 time1
Replacing definition of axis TIME1
*** NOTE: grid  used by data set daily_reanal
*** NOTE: Redefinition may alter apparent contents of data set
let var1_0=reshape(var1,t[gt=time1])

let var2_0=reshape(var2,t[gt=time1])
let var0_0=reshape(var0,t[gt=time1])

let t1=UNEW[d=1,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,l=1:'n1'@ave]
!-> DEFINE VARIABLE 
t1=UNEW[d=1,x=47.5E:177.5E,y=22.5N:22.5S,z=200,l=1:'n1'@ave]
let t2=U[d=2,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,l=1:'n2'@ave]
!-> DEFINE VARIABLE 
t2=U[d=2,x=47.5E:177.5E,y=22.5N:22.5S,z=200,l=1:'n2'@ave]
let to=u[d=3,x=47.5E:177.5E,y=22.5N:22.5S,z=$1,l=1:'n'@ave]
!-> DEFINE VARIABLE 
to=u[d=3,x=47.5E:177.5E,y=22.5N:22.5S,z=200,l=1:'n'@ave]
let se1=(var1/n1+var0/n)^0.5
let tt1=(t1-to)/se1
let se2=(var2/n2+var0/n)^0.5
let tt2=(t2-to)/se2

FILL/X=47.5E:177.5E/Y=22.50S:22.50N var1/n1+var0/n
*** NOTE: Ambiguous coordinates on T axis: VAR1/N1+VAR0/N
**ERROR: illegal limits: VAR0 is not in the range T=783444:802452
         Axis extremes are T=0.5:1.5
CONTOUR/FILL/X=47.5E:177.5E/Y=22.50S:22.50N var1/n1+var0/n
Command file, command group, or REPEAT execution aborted

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