function XXC_MESSGE return char
is
begin
  If AB > 0 then 
       return trunc(sysdate) -nvl(18,0);
  end if;
  return null;
end;

select to_char(trunc(sysdate), 'DD-MON-YYYY')-nvl(18,0) from dual

function CF_OC Formula return Char is
begin
  
  If :cf_Qty > 0 then
  	 return ('TOpen WO Qty: ' || :cf_WO_Qty);
  else
  	 return null;
  end if;
  
end;

function CF_OC Formula return Char is
begin
  
  If :cf_Qty > 0 then
  	 return ('TOpen Qty: ' || :cf_Qty );-->Changed!!
  else
  	 return null;
  end if;
  
end;