Warning: Use of undefined constant BE_USER_LOGGED_IN - assumed 'BE_USER_LOGGED_IN' (this will throw an Error in a future version of PHP) in system/modules/core/models/PageModel.php on line 335

#0 system/modules/core/models/PageModel.php(335): __error(2, 'Use of undefine...', '/www/htdocs/w01...', 335, Array)
#1 system/modules/cookiebar/classes/CookieBar.php(102): Contao\PageModel::findFirstPublishedRootByHostAndLanguage('revolyzer.de', 'en')
#2 system/modules/core/controllers/FrontendIndex.php(384): Contao\CookieBar->modifyCacheKey('revolyzer.de/em...')
#3 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#4 index.php(19): Contao\FrontendIndex->__construct()
#5 {main}

Warning: Cannot modify header information - headers already sent by (output started at /www/htdocs/w0112b24/contao_3-5_revolyzer/system/helper/functions.php:65) in system/modules/core/controllers/FrontendIndex.php on line 507

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 507, Array)
#1 system/modules/core/controllers/FrontendIndex.php(507): header('HTTP/1.1 200 Ok')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 510, Array)
#1 system/modules/core/controllers/FrontendIndex.php(510): header('Vary: User-Agen...', false)
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 511, Array)
#1 system/modules/core/controllers/FrontendIndex.php(511): header('Content-Type: t...')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 523, Array)
#1 system/modules/core/controllers/FrontendIndex.php(523): header('Cache-Control: ...')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 524, Array)
#1 system/modules/core/controllers/FrontendIndex.php(524): header('Pragma: no-cach...')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 525, Array)
#1 system/modules/core/controllers/FrontendIndex.php(525): header('Last-Modified: ...')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}

#0 [internal function]: __error(2, 'Cannot modify h...', '/www/htdocs/w01...', 526, Array)
#1 system/modules/core/controllers/FrontendIndex.php(526): header('Expires: Fri, 0...')
#2 system/modules/core/controllers/FrontendIndex.php(28): Contao\FrontendIndex->outputFromCache()
#3 index.php(19): Contao\FrontendIndex->__construct()
#4 {main}