diff --git a/html/central.php b/html/central.php
index 457fbed0d..d93e1c803 100644
--- a/html/central.php
+++ b/html/central.php
@@ -61,9 +61,9 @@ if ( isset ($_POST["central"] )) {
 if ( $_POST["periode"] != "" ) {
     $ret=Centralise($cn,$_POST["periode"]);
     if ($ret==NOERROR) {
-      echo '<H2 class="info">La période '.$_POST["periode"].' est centralisée</H2>';
+      echo '<H2 class="info">La p&eacute;riode '.$_POST["periode"].' est centralis&eacute;e</H2>';
     } else {
-      echo '<H2 class="error">La période '.$_POST["periode"].' n\' a pu être centralisée</H2>';
+      echo '<H2 class="error">La p&eacute;riode '.$_POST["periode"].' n\' a pu être centralis&eacute;e</H2>';
     }
   } 
 }// if ( isset ($_POST["central"] ))
diff --git a/include/central_inc.php b/include/central_inc.php
index 80be13925..3e4f17497 100644
--- a/include/central_inc.php
+++ b/include/central_inc.php
@@ -87,6 +87,12 @@ $sql="insert into centralized( c_j_id,
 
        $Res2=ExecSql($p_cn,$sql);
        $MaxLine=pg_NumRows($Res2);
+	$jrn_def_id=$row['jrn_def_id'];
+	 /* if seq doesn't exist create it */
+	 if ( exist_sequence($p_cn,'s_jrn_'.$jr_def_id) == false ) {
+	   create_sequence($p_cn,'s_jrn_'.$jr_def_id);
+	 }
+		 
        for ($e=0;$e < $MaxLine;$e++) {
 		 // each line is updated with a sequence
 		 $line=pg_fetch_array($Res2,$e);
@@ -94,7 +100,7 @@ $sql="insert into centralized( c_j_id,
 		 $sql=sprintf ("update jrn set 
                  jr_opid = (select nextval('s_jrn_%d'))
                  where jr_id =%d",
-					   $row['jrn_def_id'],
+					   $jr_def_id,
 					   $jr_id); 
 		 $Ret=ExecSql($p_cn,$sql);
      
diff --git a/include/constant.php b/include/constant.php
index a1e9a1607..2f743e4b7 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -33,7 +33,7 @@ define ("domaine","");
 define ("MAX_COMPTE",4);
 
 
-define ("DEBUG","false");
+define ("DEBUG","true");
 
 // securite correspond a la table 
 // action
diff --git a/include/modele.inc.php b/include/modele.inc.php
index e64b3914c..ca42a2a0a 100644
--- a/include/modele.inc.php
+++ b/include/modele.inc.php
@@ -84,6 +84,12 @@ echo  JS_CONFIRM;
     	$Max=pg_NumRows($Res);
     	for ($seq=0;$seq<$Max;$seq++) {
 	    $row=pg_fetch_array($Res,$seq);
+	    /* if seq doesn't exist create it */
+	    if ( exist_sequence($cn_mod,'s_jrn_'.$row['jrn_def_id']) == false ) {
+	      create_sequence($cn_mod,'s_jrn_'.$row['jrn_def_id']);
+	    }
+
+
 	    $sql=sprintf ("select setval('s_jrn_%d',1,false)",$row['jrn_def_id']);
 	    ExecSql($cn_mod,$sql);
 	    /* 	    
diff --git a/include/postgres.php b/include/postgres.php
index 1b9981c14..9dd8e7744 100644
--- a/include/postgres.php
+++ b/include/postgres.php
@@ -455,5 +455,17 @@ function getDbValue($p_cn,$sql)
   $r=pg_fetch_row($ret,0);
   return $r[0];
 }
-
+/*!\brief test if a sequence exist */
+/* \return true if the seq. exist otherwise false
+ */
+function exist_sequence($p_cn,$p_name) {
+  $r=CountSql($p_cn,"select relname from pg_class where relname=lower('".$p_name."')");
+  if ( $r==0)
+    return false;
+  return true;
+}
+function create_sequence($p_cn,$p_name) {
+  $sql="create sequence ".$p_name;
+  ExecSql($p_cn,$sql);
+}
 ?>