=====================================================================
web/config/config.err.inc.php
---------------------------------------------------------------------
Remove the link to dev from web/config/config.err.inc.php

$path = dirname(dirname(dirname(dirname(__FILE__)))) . '/dev/conn/init.inc.php';
if ( file_exists($path) ) {
	include_once( $path );
}
=====================================================================
web/config/config.err.inc.php
---------------------------------------------------------------------

//-- no error messages
error_reporting( 0 );

//-- for development
//error_reporting( E_ALL );

=====================================================================
tdata
---------------------------------------------------------------------
It should be empty
=====================================================================