Fatal error: Uncaught Error: Call to a member function render() on null in /var/www/html/saska.rgf.rs/plugins/TeiDisplay/helpers/TeiDisplayFunctions.php:29 Stack trace: #0 /var/www/html/saska.rgf.rs/plugins/TeiDisplay/views/shared/items/show.tei.php(16): render_tei_document() #1 /var/www/html/saska.rgf.rs/application/libraries/Omeka/View.php(117): include('/var/www/html/s...') #2 /var/www/html/saska.rgf.rs/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/html/s...') #3 /var/www/html/saska.rgf.rs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render(NULL) #4 /var/www/html/saska.rgf.rs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript('items/show.tei....', NULL) #5 /var/www/html/saska.rgf.rs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render() #6 /var/www/html/saska.rgf.rs/application/libraries in /var/www/html/saska.rgf.rs/plugins/TeiDisplay/helpers/TeiDisplayFunctions.php on line 29