Hi Guys,   can someone please kindly highlight the errors in the following codes? Thank you so much   %macro ecl_scen(ss);   data cms_crb_calc;       set cms_crb_calc;         array EAD_ {20} EAD_0-EAD_19;       array DF_ {20} DF_1-DF_20;       array &ss._Gross_ECL_ {20} &ss._Gross_ECL_0-&ss._Gross_ECL_20;       array &ss._cpd_yr {20} &ss._cpd_yr1-&ss._cpd_yr20;       array &ss._mpd_yr {20} &ss._mpd_yr1-&ss._mpd_yr20;           do t=1 to 20;               j=t-1;                         if tenor>t then m=1;             else if tenor>t-1 then m=tenor-floor(tenor);             else m=0;               if t=1 then do;                   /*for rr=8,9,10 mpd for year 1 is 0, assume cpd/mpd for year 1 is half that of year 2. i.e. PD uniformly distributed*/                   if &ss._mpd_yr{1}=0 then do;                         &ss._mpd_yr{1}=&ss._cpd_yr{2}/2;                         &ss._cpd_yr{1}=&ss._cpd_yr{2}/2;                                     &ss._Gross_ECL_{t}=EAD_{t}*DF_1*LGD*&ss._mpd_yr{t}*m;             end;             else do;                   &ss._Gross_ECL_{t}=(1-&ss._cpd_yr{j})*EAD_{t}*DF_{t}*LGD*&ss._mpd_yr{t}*m;                         end;       end;         format &ss._gross_ecl_1-&ss._gross_ecl_20 18.2             DEFAULT=18.2; run;     proc data cms_crb_calc;       set cms_crb_calc;         &ss._ECL_12M_local=&ss._Gross_ECL_1;       /*RL - Remaining Lifetime*/       &ss._ECL_RL_local=sum(&ss._Gross_ECL_1, &ss._Gross_ECL_2, &ss._Gross_ECL_3, &ss._Gross_ECL_4, &ss._Gross_ECL_5,                               &ss._Gross_ECL_6, &ss._Gross_ECL_7, &ss._Gross_ECL_8, &ss._Gross_ECL_9, &ss._Gross_ECL_10,                               &ss._Gross_ECL_11, &ss._Gross_ECL_12, &ss._Gross_ECL_13, &ss._Gross_ECL_14, &ss._Gross_ECL_15,                               &ss._Gross_ECL_16, &ss._Gross_ECL_17, &ss._Gross_ECL_18, &ss._Gross_ECL_19, &ss._Gross_ECL_20);         format &ss._ECL_12M_local &ss._ECL_RL_local $18;     run;     %mend;   &ecl_scen(base);     ... View more