Cannot send headers; headers already sent in /home/helmat/public_html/includes/src/Mage_Core_functions.php, line 60

#0 /home/helmat/public_html/includes/src/__default.php(17274): Zend_Controller_Response_Abstract->canSendHeaders(true)
#1 /home/helmat/public_html/includes/src/__default.php(22076): Zend_Controller_Response_Abstract->setHeader('Content-Type', 'text/html; char...')
#2 /home/helmat/public_html/includes/src/__default.php(18188): Mage_Core_Model_App->getResponse()
#3 /home/helmat/public_html/includes/src/__default.php(18698): Mage_Core_Controller_Varien_Front->getResponse()
#4 /home/helmat/public_html/includes/src/__default.php(18280): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#5 /home/helmat/public_html/includes/src/__default.php(21176): Mage_Core_Controller_Varien_Front->dispatch()
#6 /home/helmat/public_html/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#7 /home/helmat/public_html/index.php(94): Mage::run('', 'store')
#8 {main}