I would like to create a plot the probability of an event using logistic regression in SAS. I try to follow sas code from SAS manual but it doesn't work properly. I have no idea what's going on. I use this code..

data Data1;
input disease n age;
datalines;
0 14 25
0 20 35
0 19 45
7 18 55
6 12 65
17 17 75
;

ods graphics on;
proc logistic data=Data1;
model disease/n=age / scale=none clparm=wald clodds=pl rsquare outroc=roc1;
units age=10;
run;
ods graphics off;

symbol1 i=join v=none c=black;
proc gplot data=roc1;
title ’ROC Curve’;
plot _sensit_*_1mspec_=1 / vaxis=0 to 1 by .1 cframe=white;
run;

ods graphics on;
proc logistic data=Data1;
model disease/n=age / scale=none clparm=wald clodds=pl rsquare outroc=roc1;
units age=10;
graphics estprob;
run;
ods graphics off;

May I have your help. Sir.

Thank you,