123  data comp;
124      set test;
125      by n;
126      retain k d1 d2 d3;
127      if first.n then do;
128          call missing(d1,d2,d3);
129          k=1;
130          %do i = 1 %to 3;
ERROR: The %DO statement is not valid in open code.
131              k=&i.;
                   -
                   386
                   200
WARNING: Apparent symbolic reference I not resolved.
132              d&i.=1;
                 -
                 180
WARNING: Apparent symbolic reference I not resolved.
ERROR 386-185: Expecting an arithmetic expression.

ERROR 200-322: The symbol is not recognized and will be ignored.

ERROR 180-322: Statement is not valid or it is used out of proper order.

133              output;
134          %end;
ERROR: The %END statement is not valid in open code.
135      end;
136  run;

NOTE: The SAS System stopped processing this step because of errors.
WARNING: The data set WORK.COMP may be incomplete.  When this step was stopped there were 0 observations
         and 5 variables.
WARNING: Data set WORK.COMP was not replaced because this step was stopped.
NOTE: DATA statement used (Total process time):
      real time           0.06 seconds
      cpu time            0.06 seconds