Define a trigger in procedure with error

Question

I have oracle database 11gR2 and i want to create some triggers automatically with a block . when i want to run query in below , i have an error .
My block is :
    declare
      tablesid number ;
      tablenames varchar2(4000);
      cursor c1 is
      select id , title from hr.tables;
    begin
        open c1;
        loop
          fetch c1 into tablesid , tablenames;
         CREATE OR REPLACE TRIGGER tablenames||'_before_insert'
          before insert
          on hr.tablenames
          DECLARE
         columnid number ;
          columnval number ;
          columntitle varchar(4000);
          cursor c2 is
          select id from hr.columns where tableid = tablesid ;  
          BEGIN
          -- open c2 ;
           for rec in c2 loop
           select title into columntitle from hr.columns where id = rec.id
           insert into hr.rowaction(columnid,newvalue,oldvalue,actiondate)
             select  id ,:new.columntitle,:old.columntitle,sysdate 
             from hr.tabletiltes
             where id = rec.id
          select title into columntitle from hr.columns where id = rec.id;
          dbms_output.put_line(columntitle);
         end loop;
        end;
        end loop ;close c1; end;
>ORA-06550: line 11, column 6:
PLS-00103: Encountered the symbol "CREATE" when expecting one of the following:
   ( begin case declare end exit for goto if loop mod null
   pragma raise return select update while with <an identifier>
   <a double-quoted delimited-identifier> <a bind variable> <<
   continue close current delete fetch lock insert open rollback
   savepoint set sql execute commit forall merge pipe purge
06550. 00000 -  "line %s, column %s:\n%s"
*Cause:    Usually a PL/SQL compilation error.
*Action :
Bind Variable "new" is NOT DECLARED
anonymous block completed
Bind Variable "new" is NOT DECLARED
anonymous block completed
Thanks

Answer 1

This is a duplicate post of your other question:  create trigger automatic
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