diff --git a/htdocs/adherents/cotisation.class.php b/htdocs/adherents/cotisation.class.php
index b7cc1b1edee..d32ddba8e66 100644
--- a/htdocs/adherents/cotisation.class.php
+++ b/htdocs/adherents/cotisation.class.php
@@ -190,11 +190,6 @@ class Cotisation extends CommonObject
 			require_once(DOL_DOCUMENT_ROOT."/compta/bank/account.class.php");
 			$accountline=new AccountLine($this->db);
 			$result=$accountline->fetch($this->fk_bank);
-			if ($accountline->rappro)
-			{
-				$this->error="ErrorBankRecordConcialiated";
-				return -1;
-			}
 		}
 
 		$this->db->begin();
@@ -209,7 +204,7 @@ class Cotisation extends CommonObject
 			{
 				if ($this->fk_bank)
 				{
-					$result=$accountline->delete();
+					$result=$accountline->delete();		// Renvoi faux si ligne rapprocher
 					if ($result > 0)
 					{
 						$this->db->commit();
@@ -217,6 +212,7 @@ class Cotisation extends CommonObject
 					}
 					else
 					{
+						$this->error=$accountline->error;
 						$this->db->rollback();
 						return -1;
 					}
diff --git a/htdocs/adherents/fiche_subscription.php b/htdocs/adherents/fiche_subscription.php
index 96a8719b72e..a72f07c6f82 100644
--- a/htdocs/adherents/fiche_subscription.php
+++ b/htdocs/adherents/fiche_subscription.php
@@ -130,7 +130,7 @@ if ($user->rights->adherent->cotisation->creer && $_REQUEST["action"] == 'update
 if ($user->rights->adherent->cotisation->creer && $_POST["action"] == 'confirm_delete' && $_POST["confirm"] == 'yes')
 {
 	$result=$subscription->fetch($rowid);
-    $result=$subscription->delete($rowid);
+    $result=$subscription->delete();
     if ($result > 0)
     {
     	Header("Location: card_subscriptions.php?rowid=".$subscription->fk_adherent);
diff --git a/htdocs/lib/databases/mssql.lib.php b/htdocs/lib/databases/mssql.lib.php
index 1285aef1c3e..aeea4766cb7 100644
--- a/htdocs/lib/databases/mssql.lib.php
+++ b/htdocs/lib/databases/mssql.lib.php
@@ -244,43 +244,51 @@ class DoliDb
   }
   
 
-  /**
-     \brief      Debut d'une transaction.
-     \return	    int         1 si ouverture transaction ok ou deja ouverte, 0 en cas d'erreur
-  */
-  function begin()
-  {
-    if (! $this->transaction_opened)
-    {
-    	$ret=$this->query("BEGIN TRANSACTION");
-    	if ($ret) $this->transaction_opened++;
-    	return $ret;
-    }
-    else
-    {
-    	$this->transaction_opened++;
-    	return 1;
-    }
-  }
+	/**
+		\brief      Debut d'une transaction.
+		\return	    int         1 si ouverture transaction ok ou deja ouverte, 0 en cas d'erreur
+	*/
+	function begin()
+	{
+		if (! $this->transaction_opened)
+		{
+			$ret=$this->query("BEGIN TRANSACTION");
+			if ($ret)
+			{
+				$this->transaction_opened++;
+				dolibarr_syslog("BEGIN Transaction",LOG_DEBUG);
+			}
+			return $ret;
+		}
+		else
+		{
+			$this->transaction_opened++;
+			return 1;
+		}
+	}
 
-  /**
-     \brief      Validation d'une transaction
-     \return	    int         1 si validation ok ou niveau de transaction non ouverte, 0 en cas d'erreur
-  */
-  function commit()
-  {
-    if ($this->transaction_opened<=1)
-      {
-	$ret=$this->query("COMMIT TRANSACTION");
-	if ($ret) $this->transaction_opened=0;
-	return $ret;
-      }
-    else
-      {
-	$this->transaction_opened--;
-	return 1;
-      }
-  }
+	/**
+		\brief      Validation d'une transaction
+		\return	    int         1 si validation ok ou niveau de transaction non ouverte, 0 en cas d'erreur
+	*/
+	function commit()
+	{
+		if ($this->transaction_opened <= 1)
+		{
+			$ret=$this->query("COMMIT TRANSACTION");
+			if ($ret) 
+			{
+				$this->transaction_opened=0;
+				dolibarr_syslog("COMMIT Transaction",LOG_DEBUG);
+			}
+			return $ret;
+		}
+		else
+		{
+			$this->transaction_opened--;
+			return 1;
+		}
+	}
   
   /**
      \brief      Annulation d'une transaction et retour aux anciennes valeurs
@@ -288,13 +296,11 @@ class DoliDb
   */
   function rollback()
   {    
-    dolibarr_syslog("ROLLBACK ".$this->transaction_opened, LOG_ERR);
-    
     if ($this->transaction_opened<=1)
       {
 	$ret=$this->query("ROLLBACK TRANSACTION");
 	$this->transaction_opened=0;
-
+	dolibarr_syslog("ROLLBACK Transaction",LOG_DEBUG);
 	return $ret;
       }
     else
diff --git a/htdocs/lib/databases/mysql.lib.php b/htdocs/lib/databases/mysql.lib.php
index 171c93245a6..da3f75b7f1a 100644
--- a/htdocs/lib/databases/mysql.lib.php
+++ b/htdocs/lib/databases/mysql.lib.php
@@ -299,20 +299,24 @@ class DoliDb
      \brief      Debut d'une transaction.
      \return	    int         1 si ouverture transaction ok ou deja ouverte, 0 en cas d'erreur
   */
-  function begin()
-  {
-    if (! $this->transaction_opened)
-      {
-	$ret=$this->query("BEGIN");
-	if ($ret) $this->transaction_opened++;
-	return $ret;
-      }
-    else
-      {
-	$this->transaction_opened++;
-	return 1;
-      }
-  }
+	function begin()
+	{
+		if (! $this->transaction_opened)
+		{
+			$ret=$this->query("BEGIN");
+            if ($ret)
+			{
+				$this->transaction_opened++;
+				dolibarr_syslog("BEGIN Transaction",LOG_DEBUG);
+			}
+			return $ret;
+		}
+		else
+		{
+			$this->transaction_opened++;
+			return 1;
+		}
+	}
 
   /**
      \brief      Validation d'une transaction
@@ -323,7 +327,11 @@ class DoliDb
     if ($this->transaction_opened<=1)
       {
 	$ret=$this->query("COMMIT");
-	if ($ret) $this->transaction_opened=0;
+			if ($ret) 
+			{
+				$this->transaction_opened=0;
+				dolibarr_syslog("COMMIT Transaction",LOG_DEBUG);
+			}
 	return $ret;
       }
     else
@@ -339,13 +347,11 @@ class DoliDb
   */
   function rollback()
   {    
-    dolibarr_syslog("ROLLBACK ".$this->transaction_opened, LOG_ERR);
-    
     if ($this->transaction_opened<=1)
       {
 	$ret=$this->query("ROLLBACK");
 	$this->transaction_opened=0;
-
+	dolibarr_syslog("ROLLBACK Transaction",LOG_DEBUG);
 	return $ret;
       }
     else
diff --git a/htdocs/lib/databases/mysqli.lib.php b/htdocs/lib/databases/mysqli.lib.php
index a06d4422b6f..f3f4553780d 100644
--- a/htdocs/lib/databases/mysqli.lib.php
+++ b/htdocs/lib/databases/mysqli.lib.php
@@ -309,7 +309,11 @@ class DoliDb
         if (! $this->transaction_opened)
         {
             $ret=$this->query("BEGIN");
-            if ($ret) $this->transaction_opened++;
+            if ($ret)
+			{
+				$this->transaction_opened++;
+				dolibarr_syslog("BEGIN Transaction",LOG_DEBUG);
+			}
             return $ret;
         }
         else
@@ -328,7 +332,11 @@ class DoliDb
         if ($this->transaction_opened<=1)
         {
             $ret=$this->query("COMMIT");
-            if ($ret) $this->transaction_opened=0;
+			if ($ret) 
+			{
+				$this->transaction_opened=0;
+				dolibarr_syslog("COMMIT Transaction",LOG_DEBUG);
+			}
             return $ret;
         }
         else
@@ -348,6 +356,7 @@ class DoliDb
         {
             $ret=$this->query("ROLLBACK");
             $this->transaction_opened=0;
+			dolibarr_syslog("ROLLBACK Transaction",LOG_DEBUG);
             return $ret;
         }
         else
diff --git a/htdocs/lib/databases/pgsql.lib.php b/htdocs/lib/databases/pgsql.lib.php
index da2656610c6..49391e7cb79 100644
--- a/htdocs/lib/databases/pgsql.lib.php
+++ b/htdocs/lib/databases/pgsql.lib.php
@@ -252,7 +252,11 @@ class DoliDb
         if (! $this->transaction_opened)
         {
             $ret=$this->query("BEGIN;");
-            if ($ret) $this->transaction_opened++;
+            if ($ret)
+			{
+				$this->transaction_opened++;
+				dolibarr_syslog("BEGIN Transaction",LOG_DEBUG);
+			}
             return $ret;
         }
         else
@@ -271,7 +275,11 @@ class DoliDb
         if ($this->transaction_opened<=1)
         {
             $ret=$this->query("COMMIT;");
-            if ($ret) $this->transaction_opened=0;
+			if ($ret) 
+			{
+				$this->transaction_opened=0;
+				dolibarr_syslog("COMMIT Transaction",LOG_DEBUG);
+			}
             return $ret;
         }
         else
@@ -290,7 +298,8 @@ class DoliDb
         if ($this->transaction_opened<=1)
         {
             $ret=$this->query("ROLLBACK;");
-            $this->transaction_opened=0;
+			$this->transaction_opened=0;
+			dolibarr_syslog("ROLLBACK Transaction",LOG_DEBUG);
             return $ret;
         }
         else