Error after update to TYPO3 10: TypoScriptFrontendController must be constructed with a valid Site object or a resolved site in the current request as fallback. None given.

[Bernhard Eckl]

After a TYPO3 Update 9 to 10 I get the following error when authenticating (backend and frontend):

Tue, 26 Apr 2022 10:27:56 +0200 [CRITICAL] request="4df08d59e391b" component="TYPO3.CMS.Core.Error.ProductionExceptionHandler": Core: Exception handler (WEB): Uncaught TYPO3 Exception: #1561583122: TypoScriptFrontendController must be constructed with a valid Site object or a resolved site in the current request as fallback. None given. | InvalidArgumentException thrown in file /var/www/typo3/typo3_src-10.4.27/typo3/sysext/frontend/Classes/Controller/TypoScriptFrontendController.php in line 775. Requested URL: https://dev.oth-aw.de/typo3/?loginProvider=1433416747 - {"TYPO3_MODE":"BE","exception":"InvalidArgumentException: TypoScriptFrontendController must be constructed with a valid Site object or a resolved site in the current request as fallback. None given. in /var/www/typo3/typo3_src-10.4.27/typo3/sysext/frontend/Classes/Controller/TypoScriptFrontendController.php:775\nStack trace:\n#0 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/frontend/Classes/Controller/TypoScriptFrontendController.php(719): TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController->initializeSiteWithCompatibility(0, Object(TYPO3\CMS\Core\Http\ServerRequest))\n#1 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Utility/GeneralUtility.php(3480): TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController->__construct(Array, 0, '')\n#2 /var/cg/vhosts/dev/typo3conf/ext/ig_ldap_sso_auth/Classes/Library/Authentication.php(693): TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Front...', Array, 0, '')\n#3 /var/cg/vhosts/dev/typo3conf/ext/ig_ldap_sso_auth/Classes/Library/Authentication.php(244): Causal\IgLdapSsoAuth\Library\Authentication::merge(Array, Array, Array)\n#4 /var/cg/vhosts/dev/typo3conf/ext/ig_ldap_sso_auth/Classes/Library/Authentication.php(123): Causal\IgLdapSsoAuth\Library\Authentication::synchroniseUser('cn=ec,ou=Person...', 'ec')\n#5 /var/cg/vhosts/dev/typo3conf/ext/ig_ldap_sso_auth/Classes/Service/AuthenticationService.php(179): Causal\IgLdapSsoAuth\Library\Authentication::ldapAuthenticate('ec', '34175867bEs')\n#6 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Authentication/AbstractUserAuthentication.php(645): Causal\IgLdapSsoAuth\Service\AuthenticationService->getUser()\n#7 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Authentication/AbstractUserAuthentication.php(375): TYPO3\CMS\Core\Authentication\AbstractUserAuthentication->checkAuthentication()\n#8 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/backend/Classes/Middleware/BackendUserAuthenticator.php(70): TYPO3\CMS\Core\Authentication\AbstractUserAuthentication->start()\n#9 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Backend\Middleware\BackendUserAuthenticator->process(Object(TYPO3\CMS\Core\Http\ServerRequest), Object(class@anonymous))\n#10 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/backend/Classes/Middleware/BackendRouteInitialization.php(58): class@anonymous->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#11 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Backend\Middleware\BackendRouteInitialization->process(Object(TYPO3\CMS\Core\Http\ServerRequest), Object(class@anonymous))\n#12 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/backend/Classes/Middleware/ForcedHttpsBackendRedirector.php(55): class@anonymous->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#13 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Backend\Middleware\ForcedHttpsBackendRedirector->process(Object(TYPO3\CMS\Core\Http\ServerRequest), Object(class@anonymous))\n#14 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/backend/Classes/Middleware/LockedBackendGuard.php(75): class@anonymous->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#15 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Backend\Middleware\LockedBackendGuard->process(Object(TYPO3\CMS\Core\Http\ServerRequest), Object(class@anonymous))\n#16 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Middleware/NormalizedParamsAttribute.php(45): class@anonymous->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#17 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Core\Middleware\NormalizedParamsAttribute->process(Object(TYPO3\CMS\Core\Http\ServerRequest), Object(class@anonymous))\n#18 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(78): class@anonymous->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#19 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/AbstractApplication.php(85): TYPO3\CMS\Core\Http\MiddlewareDispatcher->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#20 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/backend/Classes/Http/Application.php(72): TYPO3\CMS\Core\Http\AbstractApplication->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#21 /var/www/typo3/typo3_src-10.4.27/typo3/sysext/core/Classes/Http/AbstractApplication.php(97): TYPO3\CMS\Backend\Http\Application->handle(Object(TYPO3\CMS\Core\Http\ServerRequest))\n#22 /var/www/typo3/typo3_src-10.4.27/typo3/index.php(25): TYPO3\CMS\Core\Http\AbstractApplication->run()\n#23 /var/www/typo3/typo3_src-10.4.27/typo3/index.php(26): {closure}()\n#24 {main}"}

[Bernhard Eckl]

I just tried the current master branch (3.7.0-dev): issue is gone.