Twig\Error\RuntimeError

Variable "entry" does not exist in "/_layout.html" at line 36. (/usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php:513)

#0 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/storage/runtime/compiled_templates/f7/f7a2f658225d68bdf9d6011753edaadf71296b0f405b90d4a37539f266ed3f1e.php(107): Twig\Template->getContext(Array, 'entry')
#1 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php(456): __TwigTemplate_1bbd3657a95beacbf0bbd382f8f9cc0ef996c105a0e0a947023c013e6383f5b1->doDisplay(Array, Array)
#2 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/etc/templating/BaseTemplate.php(26): Twig\Template->displayWithErrorHandling(Array, Array)
#3 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php(423): Craft\BaseTemplate->displayWithErrorHandling(Array, Array)
#4 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/storage/runtime/compiled_templates/20/2068ffb3db95c5b00358cadf2e4c9072b88a527e1e7c30005e51b2180e7d83e0.php(40): Twig\Template->display(Array, Array)
#5 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php(456): __TwigTemplate_025879dc1e281dd2beb534c80e021ac42c0865a14027c64a72de3b8de05c1c24->doDisplay(Array, Array)
#6 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/etc/templating/BaseTemplate.php(26): Twig\Template->displayWithErrorHandling(Array, Array)
#7 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php(423): Craft\BaseTemplate->displayWithErrorHandling(Array, Array)
#8 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Template.php(435): Twig\Template->display(Array)
#9 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/TemplateWrapper.php(47): Twig\Template->render(Array, Array)
#10 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/vendor/twig/twig/src/Environment.php(384): Twig\TemplateWrapper->render(Array)
#11 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/services/TemplatesService.php(256): Twig\Environment->render('404', Array)
#12 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/controllers/BaseController.php(74): Craft\TemplatesService->render('404', Array)
#13 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/controllers/TemplatesController.php(213): Craft\BaseController->renderTemplate('404', Array)
#14 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/web/actions/CInlineAction.php(49): Craft\TemplatesController->actionRenderError()
#15 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/web/CController.php(308): CInlineAction->runWithParams(Array)
#16 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/web/CController.php(286): CController->runAction(Object(CInlineAction))
#17 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/web/CController.php(265): CController->runActionWithFilters(Object(CInlineAction), Array)
#18 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/web/CWebApplication.php(282): CController->run('renderError')
#19 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/base/CErrorHandler.php(368): CWebApplication->runController('templates/rende...')
#20 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/etc/errors/ErrorHandler.php(281): CErrorHandler->renderError()
#21 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/base/CErrorHandler.php(351): Craft\ErrorHandler->renderError()
#22 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/base/CErrorHandler.php(218): CErrorHandler->renderException()
#23 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/etc/errors/ErrorHandler.php(145): CErrorHandler->handleException(Object(Craft\HttpException))
#24 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/base/CErrorHandler.php(131): Craft\ErrorHandler->handleException(Object(Craft\HttpException))
#25 /usr/www/users/bbmhlp/bbm-lueneburg.de/craft2/craft/app/framework/base/CApplication.php(750): CErrorHandler->handle(Object(CExceptionEvent))
#26 [internal function]: CApplication->handleException(Object(Craft\HttpException))
#27 {main}