* Fix code error.

module/mail/model.php

@@ -354,7 +354,7 @@ class mailModel extends model
         if($this->config->mail->mta == 'smtp') $this->mta->smtpClose();
 
         /* save errors. */
-        if($this->isError()) $this->app->saveError('E_MAIL', join(' ', $this->errors), __FILE__, __LINE__, true);
+        if($this->isError()) $this->app->saveError(2, join(' ', $this->errors), __FILE__, __LINE__, true);
 
         $message = ob_get_contents();
         ob_end_clean();

module/task/control.php

@@ -1010,7 +1010,9 @@ class task extends control
 
             $oldTask = $this->task->getById($taskID);
             $task    = $this->taskZen->buildTaskForCancel($oldTask);
-            $this->task->cancel($task, $output['laneID']);
+            $laneID  = isset($output['laneID']) ? $output['laneID'] : '';
+            $this->task->cancel($task, (string)$laneID);
+
             if(dao::isError()) return print($this->send(array('result' => 'fail', 'message' => dao::getError())));
 
             $this->executeHooks($taskID);

module/task/zen.php

@@ -550,6 +550,7 @@ class taskZen extends task
             ->setDefault('canceledBy, lastEditedBy', $this->app->user->account)
             ->setDefault('canceledDate, lastEditedDate', $now)
             ->setIF(empty($oldTask->finishedDate), 'finishedDate', '')
+            ->remove('comment')
             ->get();
 
         return $this->loadModel('file')->processImgURL($task, $this->config->task->editor->cancel['id'], $this->post->uid);