Fatal error: Uncaught Error: Class "Icinga\Application\Hook\LoginButtonHook" not found in /nix/store/489idx477p0yrh0kyw8mpdlgwxim1i00-source/library/Sso/ProvidedHook/ButtonHook.php:21 Stack trace: #0 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/ClassLoader.php(275): require() #1 /nix/store/489idx477p0yrh0kyw8mpdlgwxim1i00-source/run.php(8): Icinga\Application\ClassLoader->loadClass() #2 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Modules/Module.php(1377): include('...') #3 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Modules/Module.php(1364): Icinga\Application\Modules\Module->includeScript() #4 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Modules/Module.php(448): Icinga\Application\Modules\Module->launchRunScript() #5 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Modules/Manager.php(233): Icinga\Application\Modules\Module->register() #6 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Modules/Manager.php(191): Icinga\Application\Modules\Manager->loadModule() #7 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/ApplicationBootstrap.php(460): Icinga\Application\Modules\Manager->loadEnabledModules() #8 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/Web.php(100): Icinga\Application\ApplicationBootstrap->loadEnabledModules() #9 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/ApplicationBootstrap.php(388): Icinga\Application\Web->bootstrap() #10 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/library/Icinga/Application/webrouter.php(105): Icinga\Application\ApplicationBootstrap::start() #11 /nix/store/4gik8marhd03c1rin3brmqph9kng57cq-icingaweb2-2.12.6/public/index.php(5): require_once('...') #12 {main} thrown in /nix/store/489idx477p0yrh0kyw8mpdlgwxim1i00-source/library/Sso/ProvidedHook/ButtonHook.php on line 21