Warning: imagepng(/var/www/magento/media/captcha/base/12eb214f7c7f76c07909ef60b7ec869d.png): failed to open stream: Permission denied  in /var/www/magento/lib/Zend/Captcha/Image.php on line 563

#0 [internal function]: mageCoreErrorHandler(2, 'imagepng(/var/w...', '/var/www/magent...', 563, Array)
#1 /var/www/magento/lib/Zend/Captcha/Image.php(563): imagepng(Resource id #62, '/var/www/magent...')
#2 /var/www/magento/lib/Zend/Captcha/Image.php(429): Zend_Captcha_Image->_generateImage('12eb214f7c7f76c...', 'ErGus')
#3 /var/www/magento/app/code/core/Mage/Captcha/Block/Captcha/Zend.php(74): Zend_Captcha_Image->generate()
#4 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Captcha_Block_Captcha_Zend->_toHtml()
#5 /var/www/magento/app/code/core/Mage/Captcha/Block/Captcha.php(46): Mage_Core_Block_Abstract->toHtml()
#6 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Captcha_Block_Captcha->_toHtml()
#7 /var/www/magento/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#8 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#9 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#10 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('form.additional...', true)
#11 /var/www/magento/app/design/frontend/base/default/template/persistent/customer/form/register.phtml(170): Mage_Core_Block_Abstract->getChildHtml('form.additional...')
#12 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/magent...')
#13 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/base/d...')
#14 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#15 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#16 /var/www/magento/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#17 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#18 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#19 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#20 /var/www/magento/app/design/frontend/boilerplate/default/template/page/1column.phtml(48): Mage_Core_Block_Abstract->getChildHtml('content')
#21 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/magent...')
#22 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/boiler...')
#23 /var/www/magento/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#24 /var/www/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#25 /var/www/magento/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#26 /var/www/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#27 /var/www/magento/app/code/core/Mage/Customer/controllers/AccountController.php(258): Mage_Core_Controller_Varien_Action->renderLayout()
#28 /var/www/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Customer_AccountController->createAction()
#29 /var/www/magento/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('create')
#30 /var/www/magento/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#31 /var/www/magento/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#32 /var/www/magento/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#33 /var/www/magento/index.php(87): Mage::run('', 'store')
#34 {main}