diff --git a/main/inc/ajax/course_home.ajax.php b/main/inc/ajax/course_home.ajax.php
index e5b742ce85..0019da8b9a 100755
--- a/main/inc/ajax/course_home.ajax.php
+++ b/main/inc/ajax/course_home.ajax.php
@@ -140,17 +140,25 @@ switch ($action) {
                 if (strtotime($last_date) < strtotime($lp_date)) {
                     $icons = ' '.Display::return_icon($image, get_lang('_title_notification').': '.$label.' - '.$lp_date);                    
                 }
-                $temp[$count]['cell']=array(substr($lp_item['publicated_on'], 0,10), $item['title'], Display::url($lp_item['lp_name'].$icons,$lp_url, array('target'=>'_blank')));
+                
+                if (!empty($lp_item['publicated_on'])) {
+                    $date = substr($lp_item['publicated_on'], 0, 10);
+                } else {
+                    $date = '-';
+                }
+                
+                $temp[$count]['cell']=array($date, $item['title'], Display::url($lp_item['lp_name'].$icons,$lp_url, array('target'=>'_blank')));
                 $count++;     
             }              
         } 
         
         $i =0;
+        $response = new stdClass(); 
         foreach($temp as $key=>$row) {   
             $row = $row['cell'];            
             if ($key >= $start  && $key < ($start + $limit)) {                 
-                $responce->rows[$i]['id']= $key;
-                $responce->rows[$i]['cell']=array($row[0], $row[1], $row[2]);
+                $response->rows[$i]['id']= $key;
+                $response->rows[$i]['cell']=array($row[0], $row[1], $row[2]);
                 $i++;                
             }
         }        
@@ -160,14 +168,14 @@ switch ($action) {
         } else { 
             $total_pages = 0; 
         }         
-        $responce->total    = $total_pages;         
+        $response->total    = $total_pages;         
         if ($page > $total_pages) { 
-            $responce->page= $total_pages;
+            $response->page= $total_pages;
         } else {
-            $responce->page     = $page;	
+            $response->page     = $page;	
         }        
-        $responce->records = $count;    
-        echo json_encode($responce);        
+        $response->records = $count;    
+        echo json_encode($response);        
         break;
         
     case 'session_courses_lp_by_week':
@@ -237,17 +245,22 @@ switch ($action) {
                     $icons = ' '.Display::return_icon($image, get_lang('_title_notification').': '.$label.' - '.$lp_date);                    
                 }
                 
-                $temp[$count]['cell']=array(get_week_from_day($lp_item['publicated_on']), substr($lp_item['publicated_on'], 0,10), $item['title'], Display::url($lp_item['lp_name'].$icons, $lp_url, array('target'=>'_blank')));
+                if (!empty($lp_item['publicated_on'])) {
+                    $date = substr($lp_item['publicated_on'], 0, 10);
+                } else {
+                    $date = '-';
+                }
+                $temp[$count]['cell']=array(get_week_from_day($lp_item['publicated_on']), $date, $item['title'], Display::url($lp_item['lp_name'].$icons, $lp_url, array('target'=>'_blank')));
                 $count++;     
             }              
         } 
-        
-        $i =0;
+        $response = new stdClass(); 
+        $i =0;        
         foreach($temp as $key=>$row) {   
             $row = $row['cell'];            
             if ($key >= $start  && $key < ($start + $limit)) {                 
-                $responce->rows[$i]['id']= $key;
-                $responce->rows[$i]['cell']=array($row[0], $row[1], $row[2],$row[3]);
+                $response->rows[$i]['id']= $key;
+                $response->rows[$i]['cell']=array($row[0], $row[1], $row[2],$row[3]);
                 $i++;                
             }
         }
@@ -257,14 +270,14 @@ switch ($action) {
         } else { 
             $total_pages = 0; 
         }         
-        $responce->total    = $total_pages;         
+        $response->total    = $total_pages;         
         if ($page > $total_pages) { 
-            $responce->page= $total_pages;
+            $response->page= $total_pages;
         } else {
-            $responce->page     = $page;    
+            $response->page     = $page;    
         }        
-        $responce->records = $count;    
-        echo json_encode($responce); 
+        $response->records = $count;    
+        echo json_encode($response); 
         break;
         
 
@@ -331,17 +344,22 @@ switch ($action) {
                 if (strtotime($last_date) < strtotime($lp_date)) {
                     $icons = ' '.Display::return_icon($image, get_lang('_title_notification').': '.$label.' - '.$lp_date);                    
                 }
-                $temp[$count]['cell']=array(substr($lp_item['publicated_on'], 0,10), $item['title'], Display::url($lp_item['lp_name'].$icons, $lp_url, array('target'=>'_blank')));
+                if (!empty($lp_item['publicated_on'])) {
+                    $date = substr($lp_item['publicated_on'], 0, 10);
+                } else {
+                    $date = '-';
+                }
+                $temp[$count]['cell']=array($date, $item['title'], Display::url($lp_item['lp_name'].$icons, $lp_url, array('target'=>'_blank')));
                 $count++;     
             }              
         } 
-        
+        $response = new stdClass(); 
         $i =0;
         foreach($temp as $key=>$row) {   
             $row = $row['cell'];            
             if ($key >= $start  && $key < ($start + $limit)) {                 
-                $responce->rows[$i]['id']= $key;
-                $responce->rows[$i]['cell']=array($row[0], $row[1], $row[2],$row[3]);
+                $response->rows[$i]['id']= $key;
+                $response->rows[$i]['cell']=array($row[0], $row[1], $row[2],$row[3]);
                 $i++;                
             }
         }
@@ -351,15 +369,15 @@ switch ($action) {
         } else { 
             $total_pages = 0; 
         }         
-        $responce->total    = $total_pages;         
+        $response->total    = $total_pages;         
         if ($page > $total_pages) { 
-            $responce->page= $total_pages;
+            $response->page= $total_pages;
         } else {
-            $responce->page     = $page;    
+            $response->page     = $page;    
         }        
-        $responce->records = $count; 
+        $response->records = $count; 
         
-        echo json_encode($responce); 
+        echo json_encode($response); 
         break;
 	default:
 		echo '';
diff --git a/main/inc/ajax/model.ajax.php b/main/inc/ajax/model.ajax.php
index 3a41069ba0..b1628c820c 100644
--- a/main/inc/ajax/model.ajax.php
+++ b/main/inc/ajax/model.ajax.php
@@ -129,20 +129,20 @@ switch ($action) {
 
 //5. Creating an obj to return a json
 if (in_array($action, array('get_careers','get_promotions','get_usergroups'))) { 
-    $responce = new stdClass();           
-    $responce->page     = $page; 
-    $responce->total    = $total_pages; 
-    $responce->records  = $count; 
+    $response = new stdClass();           
+    $response->page     = $page; 
+    $response->total    = $total_pages; 
+    $response->records  = $count; 
     $i=0;
     if (!empty($result)) {
         foreach($result as $row) {
              //print_r($row);
-             $responce->rows[$i]['id']=$row['id'];
+             $response->rows[$i]['id']=$row['id'];
              $array = array();
              foreach($columns as $col) {
              	$array[] = $row[$col];
              }                   
-             $responce->rows[$i]['cell']=$array;
+             $response->rows[$i]['cell']=$array;
              $i++; 
         }
     } 
diff --git a/main/session/index.php b/main/session/index.php
index 3b533c3c17..812048735d 100644
--- a/main/session/index.php
+++ b/main/session/index.php
@@ -185,14 +185,16 @@ foreach($final_array as $session_data) {
         $html .=$table->toHtml();
     }
 }     
+
+
 echo Display::tag('h1', $session_info['name']);
 
 //All Learnpaths grid settings (First tab, first subtab)
 
 $url            = api_get_path(WEB_AJAX_PATH).'course_home.ajax.php?a=session_courses_lp_default&session_id='.$session_id;
-$columns        = array(get_lang('Date'),get_lang('Course'), get_lang('LearningPath'));
+$columns        = array(get_lang('PublicationDate'),get_lang('Course'), get_lang('LearningPath'));
 
-$column_model   = array(array('name'=>'date',   'index'=>'date',   'width'=>'90',  'align'=>'left',  'sortable'=>'false'),
+$column_model   = array(array('name'=>'date',   'index'=>'date',   'width'=>'100',  'align'=>'left',  'sortable'=>'false'),
                         array('name'=>'course', 'index'=>'course', 'width'=>'500', 'align'=>'left',  'sortable'=>'false'),
                         array('name'=>'lp',     'index'=>'lp',     'width'=>'200', 'align'=>'center','sortable'=>'false'));
                         
@@ -210,10 +212,10 @@ $extra_params_course['autowidth'] = 'true'; //use the width of the parent
                               
 //Per Week grid
 $url_week           = api_get_path(WEB_AJAX_PATH).'course_home.ajax.php?a=session_courses_lp_by_week&session_id='.$session_id;
-$column_week        = array(get_lang('PeriodWeek'), get_lang('Date'), get_lang('Course'), get_lang('LearningPath'));
+$column_week        = array(get_lang('PeriodWeek'), get_lang('PublicationDate'), get_lang('Course'), get_lang('LearningPath'));
 $column_week_model  = array(
                           array('name'=>'week',     'index'=>'week',    'width'=>'80', 'align'=>'left', 'sortable'=>'false'),       
-                          array('name'=>'date',     'index'=>'date',    'width'=>'90', 'align'=>'right','sortable'=>'false'),
+                          array('name'=>'date',     'index'=>'date',    'width'=>'100', 'align'=>'right','sortable'=>'false'),
                           array('name'=>'course',   'index'=>'course',  'width'=>'500','align'=>'left', 'sortable'=>'false'),
                           array('name'=>'lp',       'index'=>'lp',      'width'=>'200','align'=>'center','sortable'=>'false'));