Run following code in VFP7 and VFP8.

CREATE CURSOR crsTest ( ;
	field1 C(10), ;
	field2 C(10), ;
	field3 C(10))
	
INSERT INTO crsTest VALUES("A", "B", "1")	
INSERT INTO crsTest VALUES("A", "B", "2")	
INSERT INTO crsTest VALUES("A", "B", "3")	

INSERT INTO crsTest VALUES("A", "F", "4")	
INSERT INTO crsTest VALUES("A", "F", "5")	
INSERT INTO crsTest VALUES("A", "F", "6")	


SELECT field1, field2, field3, COUNT(*) ;
  FROM crsTest ;
  GROUP BY 1,2

It runs ok in VFP7 but gives an error in VFP8.