[VFP] COPY STRUCTURE FIELDS not recognized

[cpyrgas]

All COPY STRUCTURE commands below result to error XS9002: Parser: unexpected input 'STRUCTURE'

FUNCTION Start( ) AS VOID
    LOCAL cDbf AS STRING
    cDbf := "test"
    ? DbCreate(cDbf,{{"FLD","C",30,0},{"FLD2","N",10,0},{"FLD3","N",10,0}},"DBFVFP")
    ? DbUseArea(TRUE,,cDbf)

    COPY STRUCTURE FIELDS FLD TO "test2" 
    COPY STRUCTURE FIELDS FLD TO "test2" WITH CDX
    COPY STRUCTURE FIELDS FLD,FLD2 TO "test2" 
    COPY STRUCTURE FIELDS FLD,FLD2 TO "test2" WITH CDX
    COPY STRUCTURE TO "test2" FIELDS FLD 
    COPY STRUCTURE TO "test2" FIELDS FLD , FLD2
    COPY STRUCTURE TO "test2" FIELDS FLD , FLD2 , FLD3