SQL & PL/SQL :: Dynamic Create And Populate Table

I am dynamically creating a staging table my_stg, and then populate it. Seems simple, but not sure why i get this error,

create table gtest4(myid varchar2(10), mykey varchar2(10));
create table gtest5(myid varchar2(10), mykey varchar2(10));
insert into gtest4 values(1,3);
insert into gtest4 values(2,7);
insert into gtest5 values(5,3);
insert into gtest5 values (1,7);
commit;

CREATE OR REPLACE PROCEDURE px
IS
TYPE rectype IS RECORD (
myid VARCHAR2 (100),
mykey VARCHAR2 (100)
);

TYPE tabtype1 IS TABLE OF varchar2(100)
INDEX BY BINARY_INTEGER;

TYPE tabtype2 IS TABLE OF varchar2(100)
INDEX BY BINARY_INTEGER;

rec1 tabtype1;
rec2 tabtype2;
cur sys_refcursor;
[code]....

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pipe
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