Shaarli An unexpected error happened, and the error template could not be displayed.

Call to undefined function isLoggedIn()
/var/www/shaarli/tmp/page.footer.cedf684561d925457130839629000a81.rtpl.php7
#0 /var/www/shaarli/inc/rain.tpl.class.php(175): include()
#1 /var/www/shaarli/tmp/error.b91ef64efc3688266305ea9b42e5017e.rtpl.php(31): RainTPL->draw('./page.footer')
#2 /var/www/shaarli/inc/rain.tpl.class.php(190): include('/var/www/shaarl...')
#3 /var/www/shaarli/application/render/PageBuilder.php(253): RainTPL->draw('error', true)
#4 /var/www/shaarli/application/front/controller/visitor/ShaarliVisitorController.php(66): Shaarli\Render\PageBuilder->render('error', '')
#5 /var/www/shaarli/application/front/controller/visitor/ErrorController.php(45): Shaarli\Front\Controller\Visitor\ShaarliVisitorController->render('error')
#6 [internal function]: Shaarli\Front\Controller\Visitor\ErrorController->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Error))
#7 /var/www/shaarli/vendor/slim/slim/Slim/App.php(728): call_user_func_array(Object(Shaarli\Front\Controller\Visitor\ErrorController), Array)
#8 /var/www/shaarli/vendor/slim/slim/Slim/App.php(396): Slim\App->handlePhpError(Object(Error), Object(Slim\Http\Request), Object(Slim\Http\Response))
#9 /var/www/shaarli/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#10 /var/www/shaarli/index.php(176): Slim\App->run(true)
#11 {main}