Exception information:

Class TypeError

Message: Unsupported operand types: string - int

Stack trace:

#0 /opt/startaeget/vendor/shardj/zf1-future/library/Zend/Controller/Action.php(516): Article_IndexController->keywordAction()
#1 /opt/startaeget/vendor/shardj/zf1-future/library/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch()
#2 /opt/startaeget/vendor/shardj/zf1-future/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch()
#3 /opt/startaeget/vendor/shardj/zf1-future/library/Zend/Application/Bootstrap/Bootstrap.php(106): Zend_Controller_Front->dispatch()
#4 /opt/startaeget/vendor/shardj/zf1-future/library/Zend/Application.php(400): Zend_Application_Bootstrap_Bootstrap->run()
#5 /opt/startaeget/public/index.php(48): Zend_Application->run()
#6 {main}	  

Request Parameters:

array (
  'keyword' => '280',
  'id' => '1',
  'page' => 'skribent',
  'module' => 'article',
  'controller' => 'index',
  'action' => 'keyword',
)