a:2:{i:0;s:376:"Recoverable Error: Argument 1 passed to Mage_Adminhtml_Controller_Action::_addContent() must be an instance of Mage_Core_Block_Abstract, boolean given, called in /var/www/magento_sandbox/app/code/local/Accelereyes/LicenseLibjacket/controllers/AdminController.php on line 38 and defined  in /var/www/magento_sandbox/app/code/core/Mage/Adminhtml/Controller/Action.php on line 98";i:1;s:964:"#0 /var/www/magento_sandbox/app/code/core/Mage/Adminhtml/Controller/Action.php(98): mageCoreErrorHandler(4096, 'Argument 1 pass...', '/var/www/magent...', 98, Array)
#1 /var/www/magento_sandbox/app/code/local/Accelereyes/LicenseLibjacket/controllers/AdminController.php(38): Mage_Adminhtml_Controller_Action->_addContent(false)
#2 /var/www/magento_sandbox/app/code/core/Mage/Core/Controller/Varien/Action.php(376): Accelereyes_LicenseLibjacket_AdminController->createAction()
#3 /var/www/magento_sandbox/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(248): Mage_Core_Controller_Varien_Action->dispatch('create')
#4 /var/www/magento_sandbox/app/code/core/Mage/Core/Controller/Varien/Front.php(158): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#5 /var/www/magento_sandbox/app/Mage.php(459): Mage_Core_Controller_Varien_Front->dispatch()
#6 /var/www/magento_sandbox/index.php(67): Mage::run()
#7 {main}";}