diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index 2173738f4d5..6e670bd01c5 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -56,15 +56,16 @@ class DoliDBPgsql
 	//! >=1 if a transaction is opened, 0 otherwise
 	var $transaction_opened;
 	var $lastquery;
-	var $lastqueryerror;		// Ajout d'une variable en cas d'erreur
-
+	// Saved last error
+	var $lastqueryerror;
+	var $lasterror;
+	var $lasterrno;
+	
 	var $unescapeslashquot=0;              // By default we do not force the unescape of \'. This is used only to process sql with mysql escaped data.
 	var $standard_conforming_strings=1;    // Database has option standard_conforming_strings to on
 
 	var $ok;
 	var $error;
-	var $lasterror;
-
 
 
 	/**
@@ -583,17 +584,17 @@ class DoliDBPgsql
 		{
 			if (! $ret)
 			{
-			    if ($this->errno() != 'DB_ERROR_25P02')
+			    if ($this->errno() != 'DB_ERROR_25P02')	// Do not overwrite errors if this is a consecutive error
 			    {
     				$this->lastqueryerror = $query;
     				$this->lasterror = $this->error();
     				$this->lasterrno = $this->errno();
 			    }
-				dol_syslog(get_class($this)."::query SQL error usesavepoint = ".$usesavepoint." - ".$query." - ".pg_last_error($this->db)." = ".$this->errno(), LOG_WARNING);
+				dol_syslog(get_class($this)."::query SQL error usesavepoint = ".$usesavepoint." - ".$query." - ".pg_last_error($this->db)." => ".$this->errno(), LOG_WARNING);
 				//print "\n>> ".$query."<br>\n";
 				//print '>> '.$this->lasterrno.' - '.$this->lasterror.' - '.$this->lastqueryerror."<br>\n";
 
-				if ($usesavepoint && $this->transaction_opened)
+				if ($usesavepoint && $this->transaction_opened)	// Warning, after that errno will be erased
 				{
 					@pg_query($this->db, 'ROLLBACK TO SAVEPOINT mysavepoint');
 				}
diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index 73bf0c9e3d5..fc20ebe0f2f 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -894,11 +894,12 @@ abstract class DolibarrModules
                         if ($this->db->errno() != "DB_ERROR_RECORD_ALREADY_EXISTS")
                         {
                             $this->error=$this->db->lasterror();
-                            dol_syslog(get_class($this)."::insert_permissions error ".$this->error, LOG_ERR);
+                            dol_syslog(get_class($this)."::insert_permissions errno = ".$this->db->errno()." error ".$this->error, LOG_ERR);
                             $err++;
                             break;
                         }
                         else dol_syslog(get_class($this)."::insert_permissions record already exists", LOG_INFO);
+                        
                     }
                     $this->db->free($resqlinsert);