diff --git a/gulliver/system/class.bootstrap.php b/gulliver/system/class.bootstrap.php
index 259993b53..f41a655e3 100644
--- a/gulliver/system/class.bootstrap.php
+++ b/gulliver/system/class.bootstrap.php
@@ -68,87 +68,12 @@ class Bootstrap
 
     public static function getSystemConfiguration($globalIniFile = '', $wsIniFile = '', $wsName = '')
     {
-        $readGlobalIniFile = false;
-        $readWsIniFile = false;
-
-        if (empty($globalIniFile)) {
-            $globalIniFile = PATH_CORE . 'config' . PATH_SEP . 'env.ini';
+        // (!) Backward compatibility, the original function is in System class
+        if (! class_exists("System")) {
+            require_once PATH_CORE . "classes" . PATH_SEP . "class.system.php";
         }
 
-        if (empty($wsIniFile)) {
-            if (defined('PATH_DB')) {
-                // if we're on a valid workspace env.
-                if (empty($wsName)) {
-                    $uriParts = explode('/', getenv("REQUEST_URI"));
-                    if (isset($uriParts[1])) {
-                        if (substr($uriParts[1], 0, 3) == 'sys') {
-                            $wsName = substr($uriParts[1], 3);
-                        }
-                    }
-                }
-                $wsIniFile = PATH_DB . $wsName . PATH_SEP . 'env.ini';
-            }
-        }
-
-        $readGlobalIniFile = file_exists($globalIniFile) ? true : false;
-        $readWsIniFile = file_exists($wsIniFile) ? true : false;
-
-        if (isset($_SESSION['PROCESSMAKER_ENV'])) {
-            $md5 = array();
-
-            if ($readGlobalIniFile) {
-                $md5[] = md5_file($globalIniFile);
-            }
-            if ($readWsIniFile) {
-                $md5[] = md5_file($wsIniFile);
-            }
-            $hash = implode('-', $md5);
-
-            if ($_SESSION['PROCESSMAKER_ENV_HASH'] === $hash) {
-                $_SESSION['PROCESSMAKER_ENV']['from_cache'] = 1;
-                return $_SESSION['PROCESSMAKER_ENV'];
-            }
-        }
-
-        // default configuration
-        $error_reporting_default = defined('E_DEPRECATED') ? E_ALL  & ~E_DEPRECATED : E_ALL;
-        $error_reporting_default = defined('E_STRICT') ? $error_reporting_default  & ~E_STRICT : $error_reporting_default;
-
-        $config = array('debug' => 0, 'debug_sql' => 0, 'debug_time' => 0, 'debug_calendar' => 0, 'wsdl_cache' => 1, 'memory_limit' => "256M", 
-            'time_zone' => 'America/New_York', 'memcached' => 0, 'memcached_server' => '', 'default_skin' => 'neoclassic', 'default_lang' => 'en', 
-            'proxy_host' => '', 'proxy_port' => '', 'proxy_user' => '', 'proxy_pass' => '' , 'size_log_file' => 5000000 , 'number_log_file' => 5, 
-            'ie_cookie_lifetime' => 1, 'error_reporting' => $error_reporting_default, 'display_errors' => 'On');
-
-        // read the global env.ini configuration file
-        if ($readGlobalIniFile && ($globalConf = @parse_ini_file($globalIniFile)) !== false) {
-            $config = array_merge($config, $globalConf);
-        }
-
-        // Workspace environment configuration
-        if ($readWsIniFile && ($wsConf = @parse_ini_file($wsIniFile)) !== false) {
-            $config = array_merge($config, $wsConf);
-        }
-
-        // validation debug config, only binary value is valid; debug = 1, to enable
-        $config['debug'] = $config['debug'] == 1 ? 1 : 0;
-
-        if ($config['proxy_pass'] != '') {
-            $config['proxy_pass'] = G::decrypt($config['proxy_pass'], 'proxy_pass');
-        }
-
-        $md5 = array();
-        if ($readGlobalIniFile) {
-            $md5[] = md5_file($globalIniFile);
-        }
-        if ($readWsIniFile) {
-            $md5[] = md5_file($wsIniFile);
-        }
-        $hash = implode('-', $md5);
-
-        $_SESSION['PROCESSMAKER_ENV'] = $config;
-        $_SESSION['PROCESSMAKER_ENV_HASH'] = $hash;
-
-        return $config;
+        return System::getSystemConfiguration($globalIniFile, $wsIniFile, $wsName);
     }
 
     public static function registerSystemClasses()
diff --git a/workflow/engine/classes/class.system.php b/workflow/engine/classes/class.system.php
index 6b1452f49..a9038127c 100755
--- a/workflow/engine/classes/class.system.php
+++ b/workflow/engine/classes/class.system.php
@@ -66,7 +66,10 @@ class System
         'proxy_user' => '',
         'proxy_pass' => '',
         'size_log_file' => 5000000,
-        'number_log_file' => 5
+        'number_log_file' => 5,
+        'ie_cookie_lifetime' => 1,
+        'error_reporting' => "",
+        'display_errors' => 'On'
     );
 
     /**
@@ -1088,7 +1091,13 @@ class System
             }
         }
 
-        // default configuration
+        // default configuration for "error_reporting" conf
+        if (empty(self::$defaultConfig["error_reporting"])) {
+            $errorReportingDefault = defined('E_DEPRECATED') ? E_ALL  & ~E_DEPRECATED : E_ALL;
+            $errorReportingDefault = defined('E_STRICT') ? $errorReportingDefault  & ~E_STRICT : $errorReportingDefault;
+            self::$defaultConfig["error_reporting"] = $errorReportingDefault;
+        }
+
         $config = self::$defaultConfig;
 
         // read the global env.ini configuration file