Sie müssen die Spaltennamen angeben:
CREATE OR REPLACE PROCEDURE PRC_COPIA_ITEM_LOCACAO
IS
TYPE TP_LOC_ITEM_BKP
IS
TABLE OF LOC_ITEM_LOCACAO%ROWTYPE;
LOC_BKP TP_LOC_ITEM_BKP;
BEGIN
SELECT * BULK COLLECT INTO LOC_BKP FROM LOC_ITEM_LOCACAO;
FORALL X IN LOC_BKP.FIRST..LOC_BKP.LAST
INSERT INTO LOC_ITEM_LOCACAO_BKP VALUES (LOC_BKP(X).column_name1, LOC_BKP(X).column_name2 );
DBMS_OUTPUT.PUT_LINE('Total de linha: ' || TO_CHAR(SQL%ROWCOUNT));
END;
/