diff --git a/lib/front/front.class.php b/lib/front/front.class.php
index 2c45f6e216..07a5c3b4d7 100644
--- a/lib/front/front.class.php
+++ b/lib/front/front.class.php
@@ -501,7 +501,7 @@ EOT;
      * @access public
      * @return string
      */
-    public static function linkButton($label = '', $link = '', $target = 'self', $misc = '', $class)
+    public static function linkButton($label = '', $link = '', $target = 'self', $misc = '', $class = '')
     {
         global $config, $lang;
 
diff --git a/module/action/model.php b/module/action/model.php
index a2245fa6f5..1ddb410646 100755
--- a/module/action/model.php
+++ b/module/action/model.php
@@ -240,16 +240,17 @@ class actionModel extends model
         }
         foreach($typeTrashes as $objectType => $objectIds)
         {
+            if(!isset($this->config->objectTables[$objectType]))continue;
+
             $objectIds   = array_unique($objectIds);
             $table       = $this->config->objectTables[$objectType];
             $field       = $this->config->action->objectNameFields[$objectType];
 
-            if(!$table) continue;
             $objectNames[$objectType] = $this->dao->select("id, $field AS name")->from($table)->where('id')->in($objectIds)->fetchPairs();
         }
 
         /* Add name field to the trashes. */
-        foreach($trashes as $trash) $trash->objectName = $objectNames[$trash->objectType][$trash->objectID];
+        foreach($trashes as $trash) $trash->objectName = isset($objectNames[$trash->objectType][$trash->objectID]) ? $objectNames[$trash->objectType][$trash->objectID] : '';
         return $trashes;
     }
 
diff --git a/module/action/view/trash.html.php b/module/action/view/trash.html.php
index 26c17eaa75..b323371261 100755
--- a/module/action/view/trash.html.php
+++ b/module/action/view/trash.html.php
@@ -38,7 +38,7 @@
   <?php foreach($trashes as $action):?>
   <?php $module = $action->objectType == 'case' ? 'testcase' : $action->objectType;?>
   <tr class='text-center'>
-    <td><?php echo $lang->action->objectTypes[$action->objectType];?></td>
+    <td><?php echo zget($lang->action->objectTypes, $action->objectType, '');?></td>
     <td><?php echo $action->objectID;?></td>
     <td class='text-left'><?php echo html::a($this->createLink($module, 'view', "id=$action->objectID"), $action->objectName);?></td>
     <td><?php echo $users[$action->actor];?></td>
diff --git a/module/my/view/bug.html.php b/module/my/view/bug.html.php
index a9ecf0c267..0eb8154f1a 100644
--- a/module/my/view/bug.html.php
+++ b/module/my/view/bug.html.php
@@ -70,7 +70,7 @@
     </tbody>
     <tfoot>
       <tr>
-        <td colspan='9'>
+        <td colspan='10'>
         <?php if($bugs and $canBatchEdit):?>
         <div class='table-actions clearfix'>
         <?php echo "<div class='btn-group'>" . html::selectAll() . html::selectReverse() . '</div>' . html::submitButton("<i class='icon-edit'></i> " . $lang->edit);?>
diff --git a/module/project/view/dynamic.html.php b/module/project/view/dynamic.html.php
index cd9f30298c..587f1eba74 100755
--- a/module/project/view/dynamic.html.php
+++ b/module/project/view/dynamic.html.php
@@ -29,7 +29,7 @@
     // echo "<li id='account'>"    . html::select('account', $users, $account, "onchange=changeUser(this.value,$projectID)") . '</li>';
 
     echo "<li id='account' class='dropdown'>";
-    $current = $users[isset($account) ? $account : ''];
+    $current = zget($users, isset($account) ? $account : '', '');
     if(empty($current)) $current = $lang->project->byUser;
     echo html::a('javascript:;', $current . " <span class='caret'></span>", '', "data-toggle='dropdown'");
     echo "<ul class='dropdown-menu'>";
diff --git a/module/story/control.php b/module/story/control.php
index e7d5186887..0a226bc85a 100644
--- a/module/story/control.php
+++ b/module/story/control.php
@@ -377,7 +377,7 @@ class story extends control
         $this->view->productID         = $productID;
         $this->view->storyIDList       = $storyIDList;
         $this->view->stories           = $stories;
-        $this->view->productName       = $product->name;
+        $this->view->productName       = isset($product) ? $product->name : '';
         $this->display();
     }
 
diff --git a/module/story/view/batchedit.html.php b/module/story/view/batchedit.html.php
index 6fbc9a8188..541a251714 100644
--- a/module/story/view/batchedit.html.php
+++ b/module/story/view/batchedit.html.php
@@ -15,7 +15,9 @@
   <div class='heading'>
     <span class='prefix'><?php echo html::icon($lang->icons['story']);?></span>
     <strong><small class='text-muted'><?php echo html::icon($lang->icons['batchEdit']);?></small> <?php echo $lang->story->common . $lang->colon . $lang->story->batchEdit;?></strong>
+    <?php if($productName):?>
     <small class='text-muted'><?php echo html::icon($lang->icons['product']) . ' ' . $lang->story->product . $lang->colon . ' ' . $productName;?></small>
+    <?php endif;?>
   </div>
 </div>
 <form class='form-condensed' method='post' target='hiddenwin' action="<?php echo inLink('batchEdit', "from=storyBatchEdit")?>">
diff --git a/module/task/control.php b/module/task/control.php
index 40d92bc796..ea5e7e26ae 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -343,7 +343,7 @@ class task extends control
         $this->view->projectID   = $projectID;
         $this->view->taskIDList  = $taskIDList;
         $this->view->tasks       = $tasks;
-        $this->view->projectName = $project->name;
+        $this->view->projectName = isset($project) ? $project->name : '';
 
         $this->display();
     }
diff --git a/module/task/view/batchedit.html.php b/module/task/view/batchedit.html.php
index 8bf6abec7f..39291f7a44 100755
--- a/module/task/view/batchedit.html.php
+++ b/module/task/view/batchedit.html.php
@@ -15,7 +15,9 @@
   <div class='heading'>
     <span class='prefix'><?php echo html::icon($lang->icons['task']);?></span>
     <strong><small class='text-muted'><?php echo html::icon($lang->icons['batchEdit']);?></small> <?php echo $lang->task->common . $lang->colon . $lang->task->batchEdit;?></strong>
+    <?php if($projectName):?>
     <small class='text-muted'><?php echo html::icon($lang->icons['project']) . ' ' . $lang->task->project . $lang->colon . ' ' . $projectName;?></small>
+    <?php endif;?>
   </div>
 </div>
 
diff --git a/module/todo/model.php b/module/todo/model.php
index 0f5f969dda..a96a4928b1 100644
--- a/module/todo/model.php
+++ b/module/todo/model.php
@@ -146,6 +146,7 @@ class todoModel extends model
             /* Initialize todos from the post data. */
             foreach($todoIDList as $todoID)
             {
+                $todo = new stdclass();
                 $todo->date   = $this->post->dates[$todoID];
                 $todo->type   = $this->post->types[$todoID];
                 $todo->pri    = $this->post->pris[$todoID];
@@ -157,7 +158,6 @@ class todoModel extends model
                 if($todo->type == 'bug')  $todo->idvalue = isset($this->post->bugs[$todoID]) ? $this->post->bugs[$todoID] : 0;
 
                 $todos[$todoID] = $todo;
-                unset($todo);
             }
 
             foreach($todos as $todoID => $todo)