diff --git a/html/admin-noalyss.php b/html/admin-noalyss.php
index d5046f813..4965c7676 100644
--- a/html/admin-noalyss.php
+++ b/html/admin-noalyss.php
@@ -31,6 +31,7 @@ if (file_exists("../include/config.inc.php") ) {
     define ('ALLOWED',1);
     define ('ALLOWED_ADMIN',1);
     require_once '../include/constant.php';
+    \Noalyss\Dbg::echo_file(__FILE__);
     require_once NOALYSS_INCLUDE.'/admin_repo.inc.php';
 } else {
     // Redirect to install file , if this file exists then 
diff --git a/html/do.php b/html/do.php
index 8fa3c80d8..4c72f0d45 100644
--- a/html/do.php
+++ b/html/do.php
@@ -81,9 +81,9 @@ if ( DEBUGNOALYSS > 1 ) {
     /**
      * Debug Design
      */
-    debug_show_size();
-    debug_show_request();
-    debug_show_global();
+    \Noalyss\Dbg::display_size();
+    \Noalyss\Dbg::display_request();
+    \Noalyss\Dbg::display_global();
 } //<--- if DEBUG 
 $g_parameter=new Noalyss_Parameter_Folder($cn);
 
diff --git a/html/user_login.php b/html/user_login.php
index cb8a396b7..ef8079bd0 100644
--- a/html/user_login.php
+++ b/html/user_login.php
@@ -65,9 +65,9 @@ if ( DEBUGNOALYSS > 1 ) {
     /**
      * Debug Design
      */
-    debug_show_size();
-    debug_show_request();
-    debug_show_global();
+    \Noalyss\Dbg::display_size();
+    \Noalyss\Dbg::display_request();
+    \Noalyss\Dbg::display_global();
 } //<--- if DEBUG
 $ac=new Database();
 $hi=new HttpInput();
diff --git a/include/admin_repo.inc.php b/include/admin_repo.inc.php
index ae9b3294c..a28b845fa 100644
--- a/include/admin_repo.inc.php
+++ b/include/admin_repo.inc.php
@@ -23,7 +23,7 @@
  */
 if ( ! defined ('ALLOWED')) { die (_('Non autorisé'));}
 if ( ! defined ('ALLOWED_ADMIN')) { die (_('Non autorisé'));}
-
+\Noalyss\Dbg::echo_file(__FILE__);
 include_once NOALYSS_INCLUDE."/class/user.class.php";
 require_once NOALYSS_INCLUDE."/lib/user_common.php";
 include_once NOALYSS_INCLUDE."/lib/ac_common.php";
diff --git a/include/audit_log.php b/include/audit_log.php
index 4dc2a7f63..b4c480e25 100644
--- a/include/audit_log.php
+++ b/include/audit_log.php
@@ -23,6 +23,7 @@
  * \brief let you see the list of the connexion
  */
 if ( !defined ('ALLOWED')) die('Forbidden');
+\Noalyss\Dbg::echo_file(__FILE__);
 ?>
 <DIV class="content">
 <span class="notice"><?=_("100 dernières connexions")?></span>
diff --git a/include/category_card.inc.php b/include/category_card.inc.php
index 018adecd0..0806239c6 100644
--- a/include/category_card.inc.php
+++ b/include/category_card.inc.php
@@ -28,7 +28,7 @@
  */
 if (!defined('ALLOWED'))
     die('Appel direct ne sont pas permis');
-if ( DEBUGNOALYSS > 1 ) { echo __FILE__;}
+NoalyssDbg::echo_file(__FILE__);
 global $http;
 
 $str_dossier=Dossier::get();
diff --git a/include/class/dossier.class.php b/include/class/dossier.class.php
index d666a0a0b..5ae2c17c2 100644
--- a/include/class/dossier.class.php
+++ b/include/class/dossier.class.php
@@ -292,7 +292,7 @@ class Dossier
     }
 
     /**
-     * connect to folder and give to admin. the profile Admin(builtin)
+     * @brief connect to folder and give to admin. the profile Admin(builtin)
      * @param int $p_id dossier::id()
      */
     static function synchro_admin($p_id)
@@ -331,7 +331,7 @@ class Dossier
         }
     }
     /**
-     * Upgrade check if the folder ACCOUNT_REPOSITORY  needs to be upgrade thanks the variable DBVERSIONREPO 
+     * @brief Upgrade check if the folder ACCOUNT_REPOSITORY  needs to be upgrade thanks the variable DBVERSIONREPO
      * and run  all the SQL script named  ac-upgradeX.sql from the folder noalyss/include/sql/patch 
      * until  X equal DBVERSIONREPO-1
      * After it will call the function apply_patch, remove_inexistant_user and clean_orphan_log for each folder
diff --git a/include/constant.php b/include/constant.php
index 0fec75759..4353f3926 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -40,6 +40,7 @@ $g_template_dir = $dirname . "/template";
 if (file_exists($dirname . '/config.inc.php')) require_once $dirname . '/config.inc.php';
 
 if (!defined("NOALYSS_HOME")) define("NOALYSS_HOME", dirname($dirname) . "/html");
+if (!defined("NOALYSS_BASE")) define("NOALYSS_BASE", dirname($dirname) );
 if (!defined("NOALYSS_PLUGIN")) define("NOALYSS_PLUGIN", $g_ext_dir);
 if (!defined("NOALYSS_INCLUDE")) define("NOALYSS_INCLUDE", $g_include_dir);
 if (!defined("NOALYSS_TEMPLATE")) define("NOALYSS_TEMPLATE", $g_template_dir);
@@ -360,6 +361,7 @@ if (!defined("DEFAULT_SERVER_VIDEO_CONF")) {
 function noalyss_class_autoloader($class)
 {
     $class = strtolower($class);
+
     foreach (array("class","lib","database") as $path) {
         if ( file_exists(NOALYSS_INCLUDE.'/'.$path.'/'.$class.'.class.php')) {
             require_once  NOALYSS_INCLUDE.'/'.$path.'/'.$class.'.class.php';
@@ -385,7 +387,8 @@ function noalyss_class_autoloader($class)
         "ismallbutton" => "lib/ibutton.class.php",
         "inputswitch" => "lib/input_switch.class.php",
         "noalyss\mobile" => "class/mobile.class.php",
-        "htmlinput" => "lib/html_input.class.php"
+        "htmlinput" => "lib/html_input.class.php",
+        "noalyss\dbg"=>"lib/dbg.php"
     );
     if (isset ($aClass[$class])) {
         require_once NOALYSS_INCLUDE . "/" . $aClass[$class];
diff --git a/include/lib/ac_common.php b/include/lib/ac_common.php
index 2c2fbafaf..a440354dd 100644
--- a/include/lib/ac_common.php
+++ b/include/lib/ac_common.php
@@ -168,13 +168,10 @@ function nbm($p_number,$p_dec = 2)
 
 function echo_error($p_log, $p_line="", $p_message="")
 {
-    echo "ERREUR :" . $p_log . " " . $p_line . " " . $p_message;
-    $fdebug = fopen($_ENV['TMP'] . DIRECTORY_SEPARATOR . "noalyss_error.log", "a+");
-    if ($fdebug != null)
-    {
-	fwrite($fdebug, date("Ymd H:i:s") . $p_log . " " . $p_line . " " . $p_message . "\n");
-	fclose($fdebug);
-    }
+    $msg="ERREUR :" . $p_log . " " . $p_line . " " . $p_message;
+    echo $msg;
+    syslog(LOG_ERR,$msg);
+
 }
 
 /**
@@ -1179,11 +1176,7 @@ function display_menu($p_menuid)
                     $array=compute_variable($file[0]['me_parameter']);
                     put_global($array);
             }
-            if ( DEBUGNOALYSS == 2)
-            { 
-                echo  $file[0]['me_file']," param : ",$file[0]['me_parameter'] ;
-                
-            }
+            \Noalyss\Dbg::echo_var(1,$file[0]['me_file']." ".$file[0]['me_parameter']);
             /*
              * Log the file we input to put in the folder test-noalyss for replaying it
              */
@@ -1683,58 +1676,5 @@ function linkTo($p_url)
         return $p_url;
     }
 }
-function debug_show_size()
-{
-    echo <<<EOF
-<div class="d-block d-sm-none  " style="background-color:lightblue">Xtra  Small</div>
-<div class="d-none d-sm-block d-md-none d-lg-none d-xl-none " style="background-color:red">Small</div>
-<div class="d-none d-md-block d-lg-none " style="background-color:orangered">Medium</div>
-<div class="d-none d-lg-block d-xl-none " style="background-color:orange">Large</div>
-<div class="d-none d-xl-block " style="background-color:wheat">X Large</div>
-EOF;
-}
-/**
- * @brief for development , show request (POST, GET)
- * @return void
- */
- function debug_show_request() {
-    $id=uniqid("debug");
-    $title=\HtmlInput::title_box(_("REQUEST"),$id,"hide");
-    ?>
-    <div class=" col-10 inner_box" style="display:none" id="<?=$id?>">
-        <?=$title?>
 
-        <h2 style="margin-top:100px"> Memory Usage
-            <?php  echo round(memory_get_usage()/1024.0,2) . " kb \n"; ?>
-        </h2>
-        $_POST
-        <pre><?php echo print_r($_POST)?></pre>
-        $_GET
-        <pre><?=print_r($_GET)?></pre>
-        $_REQUEST
-        <pre><?=print_r($_REQUEST)?></pre>
-        <?=\HtmlInput::button_hide($id)?>
-    </div>
-    <input type="button" onclick="document.getElementById('<?=$id?>').show();" value="Show request">
-    <?php
-}
-
-/**
- * @brief for development , show GLOBAL and SESSION
- * @return void
- */
- function debug_show_global() {
-    $id=uniqid("debug");
-    $title=\HtmlInput::title_box(_("GLOBALS"),$id,"hide");
-    ?>
-    <div class=" col-10 inner_box" style="display:none" id="<?=$id?>">
-        <?=$title?>
-        $GLOBALS
-        <pre><?=print_r($GLOBALS)?></pre>
-
-        <?=\HtmlInput::button_hide($id)?>
-    </div>
-    <input type="button" onclick="document.getElementById('<?=$id?>').show();" value="Show session">
-    <?php
-}
 
diff --git a/include/lib/dbg.php b/include/lib/dbg.php
new file mode 100644
index 000000000..03232c897
--- /dev/null
+++ b/include/lib/dbg.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace Noalyss;
+
+class Dbg
+{
+    public static function echo_var($n_level, $msg)
+    {
+        if (DEBUGNOALYSS > $n_level) {
+            echo '<span style="font-size:12px;color:orangered">';
+            $type = gettype($msg);
+            if (in_array($type, ["string", "integer", "double"])) {
+                echo $msg;
+            } else {
+
+                echo "<pre>DBG";
+                var_export($msg);
+                echo '</pre>';
+            }
+            echo '</span>';
+        }
+    }
+
+    public static function echo_file($msg)
+    {
+        if (DEBUGNOALYSS > 1) {
+            echo '<span style="font-size:12px;color:brown">';
+            echo "[FILE: $msg]";
+
+            echo '</span>';
+        }
+    }
+
+    static function display_size()
+    {
+        echo <<<EOF
+<div class="d-block d-sm-none  " style="background-color:lightblue">Xtra  Small</div>
+<div class="d-none d-sm-block d-md-none d-lg-none d-xl-none " style="background-color:red">Small</div>
+<div class="d-none d-md-block d-lg-none " style="background-color:orangered">Medium</div>
+<div class="d-none d-lg-block d-xl-none " style="background-color:orange">Large</div>
+<div class="d-none d-xl-block " style="background-color:wheat">X Large</div>
+EOF;
+    }
+
+    /**
+     * @brief for development , show request (POST, GET)
+     * @return void
+     */
+    static function display_request()
+    {
+        $id = uniqid("debug");
+        $title = \HtmlInput::title_box(_("REQUEST"), $id, "hide");
+        ?>
+        <div class=" col-10 inner_box" style="display:none" id="<?= $id ?>">
+            <?= $title ?>
+
+            <h2 style="margin-top:100px"> Memory Usage
+                <?php echo round(memory_get_usage() / 1024.0, 2) . " kb \n"; ?>
+            </h2>
+            $_POST
+            <pre><?php echo print_r($_POST) ?></pre>
+            $_GET
+            <pre><?= print_r($_GET) ?></pre>
+            $_REQUEST
+            <pre><?= print_r($_REQUEST) ?></pre>
+            <?= \HtmlInput::button_hide($id) ?>
+        </div>
+        <input type="button" onclick="document.getElementById('<?= $id ?>').show();" value="Show request">
+        <?php
+    }
+
+    /**
+     * @brief for development , show GLOBAL and SESSION
+     * @return void
+     */
+    static function display_global()
+    {
+        $id = uniqid("debug");
+        $title = \HtmlInput::title_box(_("GLOBALS"), $id, "hide");
+        ?>
+        <div class=" col-10 inner_box" style="display:none" id="<?= $id ?>">
+            <?= $title ?>
+            $GLOBALS
+            <pre><?= print_r($GLOBALS) ?></pre>
+
+            <?= \HtmlInput::button_hide($id) ?>
+        </div>
+        <input type="button" onclick="document.getElementById('<?= $id ?>').show();" value="Show session">
+        <?php
+    }
+
+    /**
+     * @brief Show a icon to display large information on demand, when you click it , the content will be showned
+     * @param string $p_title title of the dialog box
+     * @param mixed $msg var_export of the msg
+     * @return string HTML to display
+     */
+    public static function hidden_info($p_title,$msg)
+    {
+        $id=uniqid("debug");
+        $title=\HtmlInput::title_box($p_title,"$id"."_infodiv","hide");
+        $content=var_export($msg,true);
+
+        $button_close=\HtmlInput::button_hide("$id"."_infodiv");
+        $r=<<<EOF
+<div id="{$id}_infodiv" style="display: none;background:rgba(234, 221, 114, 0.66);color:black;font-size:80%;width:auto;">
+{$title}
+<div>
+<pre>
+    {$content}
+
+</pre>
+</div>
+{$button_close}
+</div>
+<a href="javascript:void(0)" onclick="$('{$id}_infodiv').show()">&#128374;</a>
+
+EOF;
+        return $r;
+    }
+}
+?>
\ No newline at end of file
diff --git a/include/modele.inc.php b/include/modele.inc.php
index 56f787e96..37ad0d242 100644
--- a/include/modele.inc.php
+++ b/include/modele.inc.php
@@ -27,6 +27,7 @@
  *
  */
 if ( !defined ('ALLOWED')) die('Forbidden');
+\Noalyss\Dbg::echo_file(__FILE__);
 $http=new HttpInput();
 $sa = $http->request("sa", "string", 'list');
 if (isset($_POST['upd']) &&
diff --git a/include/restore.inc.php b/include/restore.inc.php
index 7d4aeca94..c62550a16 100644
--- a/include/restore.inc.php
+++ b/include/restore.inc.php
@@ -19,6 +19,7 @@
 
 // Copyright Author Dany De Bontridder danydb@aevalys.eu
 if ( !defined ('ALLOWED')) die('Forbidden');
+\Noalyss\Dbg::echo_file(__FILE__);
 $http=new HttpInput();
 /*!\file
  * \brief restaure a database
diff --git a/include/template/acc_ledger-input_extra_info.php b/include/template/acc_ledger-input_extra_info.php
index a4f45d379..9cd54d33d 100644
--- a/include/template/acc_ledger-input_extra_info.php
+++ b/include/template/acc_ledger-input_extra_info.php
@@ -21,7 +21,7 @@
 
 if (!defined('ALLOWED'))
     die('Appel direct ne sont pas permis');
-if (DEBUGNOALYSS>1) { echo __FILE__;}
+\Noalyss\Dbg::echo_file(__FILE__);
 /**
  * @file
  * @brief display supplemental information to save when entering an operation of 
diff --git a/include/template/card_multiple_display_option.php b/include/template/card_multiple_display_option.php
index 9e37e481a..79687bb2d 100644
--- a/include/template/card_multiple_display_option.php
+++ b/include/template/card_multiple_display_option.php
@@ -34,10 +34,11 @@ if (!defined('ALLOWED'))
  *               - $a_option.ap_id (-1 if option for this contact doesn't exist)
  * @see Card_Multiple
  */
+\Noalyss\Dbg::echo_file(__FILE__);
 ?>
 <h3 class="info" style="margin:1px">
     <?=$aIdentity['name']." ".$aIdentity['first_name']." ".$aIdentity['qcode']?>
-</h2>
+</h3>
 <form method="POST" onsubmit="save_linked_card_option(this);return false">
     <input type="hidden" name="op" value="card">
     <input type="hidden" name="op2" value="save_card_option">
diff --git a/include/template/mobile-display_menu.php b/include/template/mobile-display_menu.php
index 1017c061b..b586bc70f 100644
--- a/include/template/mobile-display_menu.php
+++ b/include/template/mobile-display_menu.php
@@ -25,10 +25,7 @@ if (!defined('ALLOWED'))
  * @file
  * @brief  show the mobile menu
  */
-if (DEBUGNOALYSS>1)
-{
-    echo __FILE__;
-};
+\Noalyss\Dbg::dbgecho_file(__FILE__);
 ?>
 <img src="<?=NOALYSS_URL?>/image/logo9000.png" width="100%" style="position:absolute;top:0px;left:0px;z-index:-1;opacity: 11%">
 <div id="mobile_module"  >
diff --git a/include/upgrade-core.php b/include/upgrade-core.php
index bf11fbb94..b9f4cab79 100644
--- a/include/upgrade-core.php
+++ b/include/upgrade-core.php
@@ -21,7 +21,7 @@
 
 if (!defined('ALLOWED'))     die('Appel direct ne sont pas permis');
 if ( ! defined ('ALLOWED_ADMIN')) { die (_('Non autorisé'));}
-
+\Noalyss\Dbg::echo_file(__FILE__);
 global $version_noalyss;
 /**
  * @file
diff --git a/include/upgrade-plugin.php b/include/upgrade-plugin.php
index 092281cc4..a902b186e 100644
--- a/include/upgrade-plugin.php
+++ b/include/upgrade-plugin.php
@@ -25,7 +25,7 @@ if (!defined('ALLOWED_ADMIN'))
     die(_('Non autorisé'));
 }
 
-
+\Noalyss\Dbg::echo_file(__FILE__);
 
 /**
  * @file
diff --git a/include/upgrade-template.php b/include/upgrade-template.php
index f109f15d1..0dec1b405 100644
--- a/include/upgrade-template.php
+++ b/include/upgrade-template.php
@@ -24,7 +24,7 @@ if (!defined('ALLOWED_ADMIN'))
 {
     die(_('Non autorisé'));
 }
-
+\Noalyss\Dbg::echo_file(__FILE__);
 
 $package_repository=new Package_Repository();
 $xml=$package_repository->getContent();
diff --git a/include/upgrade.inc.php b/include/upgrade.inc.php
index 3b79dfed9..dc2c1495f 100644
--- a/include/upgrade.inc.php
+++ b/include/upgrade.inc.php
@@ -25,7 +25,7 @@
  */
 if (!defined('ALLOWED'))     die('Appel direct ne sont pas permis');
 if ( ! defined ('ALLOWED_ADMIN')) { die (_('Non autorisé'));}
-
+\Noalyss\Dbg::echo_file(__FILE__);
 $http=new HttpInput();
 
 $menu=array(
diff --git a/include/user.inc.php b/include/user.inc.php
index 7cb024572..af1e3ed9e 100644
--- a/include/user.inc.php
+++ b/include/user.inc.php
@@ -28,6 +28,7 @@ if ( !defined ('ALLOWED')) die('Forbidden');
  */
 $http=new HttpInput();
 echo '<div class="content" >';
+\Noalyss\Dbg::echo_file(__FILE__);
 /******************************************************/
 // Add user
 /******************************************************/