diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 173a7239e4e..b8e57ce2385 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -2178,7 +2178,7 @@ class ContratLigne
 		if (! $sql) return -1;
 
 		//print $sql;
-		dol_syslog(get_class($this)."::get_element_list sql=" . $sql);
+		dol_syslog(get_class($this)."::get_element_list", LOG_DEBUG);
 		$result = $this->db->query($sql);
 		if ($result)
 		{
diff --git a/htdocs/core/class/link.class.php b/htdocs/core/class/link.class.php
index 85c365d3443..d9857a4730c 100644
--- a/htdocs/core/class/link.class.php
+++ b/htdocs/core/class/link.class.php
@@ -280,7 +280,6 @@ class Link extends CommonObject
                 return 0;
             }
         } else {
-            dol_syslog(get_class($this) . "::FetchAll fails sql=" . $sql, LOG_ERR);
             return -1;
         }
     }
@@ -348,7 +347,7 @@ class Link extends CommonObject
         $sql = "DELETE FROM " . MAIN_DB_PREFIX . "links";
         $sql.= " WHERE rowid = " . $this->id;
 
-        dol_syslog(get_class($this)."::delete sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this)."::delete", LOG_DEBUG);
         if (! $this->db->query($sql))
         {
             $error++;
diff --git a/htdocs/product/class/productcustomerprice.class.php b/htdocs/product/class/productcustomerprice.class.php
index c0b99104aa5..ceeb611df01 100644
--- a/htdocs/product/class/productcustomerprice.class.php
+++ b/htdocs/product/class/productcustomerprice.class.php
@@ -182,7 +182,7 @@ class Productcustomerprice extends CommonObject
 		
 		$this->db->begin();
 		
-		dol_syslog(get_class($this) . "::create sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::create", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if (! $resql) {
 			$error ++;
@@ -258,7 +258,7 @@ class Productcustomerprice extends CommonObject
 		$sql .= " FROM " . MAIN_DB_PREFIX . "product_customer_price as t";
 		$sql .= " WHERE t.rowid = " . $id;
 		
-		dol_syslog(get_class($this) . "::fetch sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::fetch", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql) {
 			if ($this->db->num_rows($resql)) {
@@ -355,7 +355,7 @@ class Productcustomerprice extends CommonObject
 			$sql .= ' ' . $this->db->plimit($limit + 1, $offset);
 		}
 		
-		dol_syslog(get_class($this) . "::fetch_all sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::fetch_all", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql) {
 			
@@ -460,7 +460,7 @@ class Productcustomerprice extends CommonObject
 			$sql .= ' ' . $this->db->plimit($limit + 1, $offset);
 		}
 		
-		dol_syslog(get_class($this) . "::fetch_all_log sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::fetch_all_log", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql) {
 			
@@ -625,7 +625,7 @@ class Productcustomerprice extends CommonObject
 		$sql .= " WHERE t.rowid = " . $this->id;
 		
 		$this->db->begin();
-		dol_syslog(get_class($this) . "::update sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::update", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if (! $resql) {
 			$error ++;
@@ -654,7 +654,7 @@ class Productcustomerprice extends CommonObject
 		
 		$sql .= " WHERE rowid=" . $this->id;
 		
-		dol_syslog(get_class($this) . "::update sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::update", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if (! $resql) {
 			$error ++;
@@ -713,7 +713,7 @@ class Productcustomerprice extends CommonObject
 		$sql .= " WHERE s.parent = " . $this->fk_soc;
 		$sql .= " AND s.entity IN (" . getEntity('societe', 1) . ")";
 		
-		dol_syslog(get_class($this) . "::setPriceOnAffiliateThirdparty sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this) . "::setPriceOnAffiliateThirdparty", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		
 		if ($resql) {
@@ -821,7 +821,7 @@ class Productcustomerprice extends CommonObject
 			$sql = "DELETE FROM " . MAIN_DB_PREFIX . "product_customer_price";
 			$sql .= " WHERE rowid=" . $this->id;
 			
-			dol_syslog(get_class($this) . "::delete sql=" . $sql);
+			dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
 			$resql = $this->db->query($sql);
 			if (! $resql) {
 				$error ++;
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index 1186de5e4ad..64a0946ecb1 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -119,7 +119,7 @@ class Project extends CommonObject
         $sql.= ", ".$conf->entity;
         $sql.= ")";
 
-        dol_syslog(get_class($this)."::create sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this)."::create", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if ($resql)
         {
@@ -144,7 +144,6 @@ class Project extends CommonObject
         {
             $this->error = $this->db->lasterror();
             $this->errno = $this->db->lasterrno();
-            dol_syslog(get_class($this)."::create error -2 " . $this->error, LOG_ERR);
             $error++;
         }
 
@@ -209,7 +208,7 @@ class Project extends CommonObject
             $sql.= ", datee=" . ($this->date_end != '' ? $this->db->idate($this->date_end) : 'null');
             $sql.= " WHERE rowid = " . $this->id;
 
-            dol_syslog(get_class($this)."::Update sql=" . $sql, LOG_DEBUG);
+            dol_syslog(get_class($this)."::Update", LOG_DEBUG);
             if ($this->db->query($sql))
             {
                 if (!$notrigger)
@@ -299,7 +298,7 @@ class Project extends CommonObject
         	$sql.= " AND entity IN (".getEntity('project').")";
         }
 
-        dol_syslog(get_class($this)."::fetch sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this)."::fetch", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if ($resql)
         {
@@ -339,7 +338,6 @@ class Project extends CommonObject
         else
         {
             $this->error = $this->db->lasterror();
-            dol_syslog(get_class($this)."::fetch " . $this->error, LOG_ERR);
             return -1;
         }
     }
@@ -403,7 +401,7 @@ class Project extends CommonObject
         if (! $sql) return -1;
 
         //print $sql;
-        dol_syslog(get_class($this)."::get_element_list sql=" . $sql);
+        dol_syslog(get_class($this)."::get_element_list", LOG_DEBUG);
         $result = $this->db->query($sql);
         if ($result)
         {
@@ -463,7 +461,7 @@ class Project extends CommonObject
         $sql = "DELETE FROM " . MAIN_DB_PREFIX . "projet_task_extrafields";
         $sql.= " WHERE fk_object IN (SELECT rowid FROM " . MAIN_DB_PREFIX . "projet_task WHERE fk_projet=" . $this->id . ")";
 
-        dol_syslog(get_class($this) . "::delete sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if (!$resql)
         {
@@ -474,7 +472,7 @@ class Project extends CommonObject
         $sql = "DELETE FROM " . MAIN_DB_PREFIX . "projet_task";
         $sql.= " WHERE fk_projet=" . $this->id;
 
-        dol_syslog(get_class($this) . "::delete sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if (!$resql)
         {
@@ -485,7 +483,7 @@ class Project extends CommonObject
         $sql = "DELETE FROM " . MAIN_DB_PREFIX . "projet";
         $sql.= " WHERE rowid=" . $this->id;
 
-        dol_syslog(get_class($this) . "::delete sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if (!$resql)
         {
@@ -497,7 +495,7 @@ class Project extends CommonObject
         $sql.= " WHERE fk_object=" . $this->id;
 
 
-        dol_syslog(get_class($this) . "::delete sql=" . $sql, LOG_DEBUG);
+        dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
         $resql = $this->db->query($sql);
         if (!$resql)
         {
@@ -580,7 +578,7 @@ class Project extends CommonObject
             $sql.= " WHERE rowid = " . $this->id;
             $sql.= " AND entity = " . $conf->entity;
 
-            dol_syslog(get_class($this)."::setValid sql=" . $sql);
+            dol_syslog(get_class($this)."::setValid", LOG_DEBUG);
             $resql = $this->db->query($sql);
             if ($resql)
             {
@@ -613,7 +611,6 @@ class Project extends CommonObject
             {
                 $this->db->rollback();
                 $this->error = $this->db->lasterror();
-                dol_syslog(get_class($this)."::setValid " . $this->error, LOG_ERR);
                 return -1;
             }
         }
@@ -641,7 +638,7 @@ class Project extends CommonObject
             $sql.= " AND entity = " . $conf->entity;
             $sql.= " AND fk_statut = 1";
 
-            dol_syslog(get_class($this)."::setClose sql=" . $sql);
+            dol_syslog(get_class($this)."::setClose", LOG_DEBUG);
             $resql = $this->db->query($sql);
             if ($resql)
             {
@@ -674,7 +671,6 @@ class Project extends CommonObject
             {
                 $this->db->rollback();
                 $this->error = $this->db->lasterror();
-                dol_syslog(get_class($this)."::setClose " . $this->error, LOG_ERR);
                 return -1;
             }
         }
@@ -1306,11 +1302,10 @@ class Project extends CommonObject
 			$sql.= " WHERE rowid=".$ElementSelectId;
 		}
 
-		dol_syslog(get_class($this)."::update_element sql=" . $sql, LOG_DEBUG);
+		dol_syslog(get_class($this)."::update_element", LOG_DEBUG);
 		$resql=$this->db->query($sql);
 		if (!$resql) {
 			$this->error=$this->db->lasterror();
-			dol_syslog(get_class($this)."::update_element error : " . $this->error, LOG_ERR);
 			return -1;
 		}else {
 			return 1;