hi, i have the following error problem and would like someone help with it. 19 Data Run_dates; 20 Mrg = 1; 21 Run_Model_Date = &Last_Month; _ 22 WARNING: Apparent symbolic reference LAST_MONTH not resolved. 22 Run_Date = &First_Month; _ 22 WARNING: Apparent symbolic reference FIRST_MONTH not resolved. ERROR 22-322: Syntax error, expecting one of the following: a name, a quoted string, a numeric constant, a datetime constant, a missing value, INPUT, PUT. 23 do While (Run_Date <= Run_Model_Date); 24 Output; 25 Run_Date = intnx("MONTH", Run_Date , 1, 'END'); 26 end; 27 Format Run_Date date9.; 28 Keep Mrg Run_date; 29 run;
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