your page is missing the line to include the eCart object. you also added a blank line when adding the error reporting code.
change line 1 - 9:
<?php
error_reporting(E_ALL):
ini_set('display_errors','on');
?>
<?php require_once('Connections/MyConnection.php'); ?>
<?php
$EcologicTechnologies->GetContent();
?>
to:
<?php
error_reporting(E_ALL):
ini_set('display_errors','on');
?>
<?php require_once('WA_eCart/EcologicTechnologies_PHP.php'); ?>
<?php require_once('Connections/MyConnection.php'); ?>
<?php
$EcologicTechnologies->GetContent();
?>