Open config/config.env.inc.php

(1) Set error_reporting to 0
error_reporting( 0 );     //-- for production use

(2) Delete the include to dev
include_once( dirname(dirname(dirname(dirname(__FILE__)))) . '/dev/conn/init.inc.php' );

(3) Open tdata and make sure the file lists are:

codegen-preview.cnt.txt
demo1.cnt.txt
demo2.cnt.txt
demo3.cnt.txt
demo4.cnt.txt
demo5.cnt.txt
demo6.cnt.txt

Delete All *.hist.txt