Using "Single Click Authentication (authhash)" when feature is disabled produces the following error. A more speakable error is logged before.

[03-Sep-2019 09:02:59 Europe/Vienna] ERROR ZfExtended_BadMethodCallException: E9999 - ZfExtended_SessionController->index
in core /home/tlauria/www/translate5-master/library/ZfExtended/Controllers/SessionController.php (69)
Request: GET /editor/session/?authhash=XXXXXXX-XXXX-XXXX-XXXX-XXXXXXXX
Trace:
#0 /home/tlauria/www/translate5-master/application/modules/editor/Controllers/SessionController.php(98): ZfExtended_SessionController->indexAction()
#1 /home/tlauria/www/translate5-master/application/modules/editor/Controllers/SessionController.php(40): editor_SessionController->hashauth()
#2 /home/tlauria/libaries/zf1-php7.3/library/Zend/Controller/Action.php(516): editor_SessionController->indexAction()
#3 /home/tlauria/www/translate5-master/library/ZfExtended/Controllers/AAARestController.php(287): Zend_Controller_Action->dispatch('indexAction')
#4 /home/tlauria/libaries/zf1-php7.3/library/Zend/Controller/Dispatcher/Standard.php(308): ZfExtended_RestController->dispatch('indexAction')
#5 /home/tlauria/libaries/zf1-php7.3/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(REST_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#6 /home/tlauria/libaries/zf1-php7.3/library/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#7 /home/tlauria/libaries/zf1-php7.3/library/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#8 /home/tlauria/www/translate5-master/library/ZfExtended/Application.php(47): Zend_Application->run()
#9 /home/tlauria/www/translate5-master/library/ZfExtended/BaseIndex.php(153): ZfExtended_Application->run()
#10 /home/tlauria/www/translate5-master/public/index.php(35): ZfExtended_BaseIndex->startApplication()
#11 {main}