Re: 【質問】ページ権限設定＆ワークフロー設定がうまくいきません
その後の検証で、当該ページ以外でもadminでページ編集をし、"ページを公開する”にしても
同じエラーが出てしまいます。
デバッグモードでエラー発生記述箇所をキャプチャしましたので添付いたします（添付11）
また、エラーメッセージとともに処理プロセスのログと思われる詳細が表示されました。
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
Call to a member function getGroupMembers() on boolean
詳細
C:\MAMP\htdocs\portal\concrete\src\Permission\Access\Entity\GroupEntity.php(21): Error->null
C:\MAMP\htdocs\portal\concrete\src\Notification\Notifier\StandardNotifier.php(46): Concrete\Core\Permission\Access\Entity\GroupEntity->getAccessEntityUsers
C:\MAMP\htdocs\portal\concrete\src\Notification\Notifier\WorkflowProgressNotifier.php(18): Concrete\Core\Notification\Notifier\StandardNotifier->getUsersToNotify
C:\MAMP\htdocs\portal\concrete\src\Workflow\Progress\Progress.php(168): Concrete\Core\Notification\Notifier\WorkflowProgressNotifier->getUsersToNotify
C:\MAMP\htdocs\portal\concrete\src\Workflow\Progress\PageProgress.php(22): Concrete\Core\Workflow\Progress\Progress->create
C:\MAMP\htdocs\portal\concrete\src\Workflow\Request\PageRequest.php(42): Concrete\Core\Workflow\Progress\PageProgress->add
C:\MAMP\htdocs\portal\concrete\src\Workflow\Request\Request.php(125): Concrete\Core\Workflow\Request\PageRequest->addWorkflowProgress
C:\MAMP\htdocs\portal\concrete\src\Workflow\Request\PageRequest.php(55): Concrete\Core\Workflow\Request\Request->triggerRequest
C:\MAMP\htdocs\portal\concrete\controllers\dialog\page\delete.php(48): Concrete\Core\Workflow\Request\PageRequest->trigger
C:\MAMP\htdocs\portal\concrete\src\Controller\AbstractController.php(294): Concrete\Controller\Dialog\Page\Delete->submit
C:\MAMP\htdocs\portal\concrete\src\Controller\AbstractController.php(294): null->call_user_func_array
C:\MAMP\htdocs\portal\concrete\src\Routing\ControllerRouteCallback.php(27): Concrete\Core\Controller\AbstractController->runAction
C:\MAMP\htdocs\portal\concrete\src\Routing\Router.php(149): Concrete\Core\Routing\ControllerRouteCallback->execute
C:\MAMP\htdocs\portal\concrete\src\Http\DefaultDispatcher.php(121): Concrete\Core\Routing\Router->execute
C:\MAMP\htdocs\portal\concrete\src\Http\DefaultDispatcher.php(57): Concrete\Core\Http\DefaultDispatcher->handleDispatch
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\DispatcherDelegate.php(39): Concrete\Core\Http\DefaultDispatcher->dispatch
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\ThumbnailMiddleware.php(71): Concrete\Core\Http\Middleware\DispatcherDelegate->next
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\MiddlewareDelegate.php(38): Concrete\Core\Http\Middleware\ThumbnailMiddleware->process
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\FrameOptionsMiddleware.php(39): Concrete\Core\Http\Middleware\MiddlewareDelegate->next
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\MiddlewareDelegate.php(38): Concrete\Core\Http\Middleware\FrameOptionsMiddleware->process
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\CookieMiddleware.php(37): Concrete\Core\Http\Middleware\MiddlewareDelegate->next
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\MiddlewareDelegate.php(38): Concrete\Core\Http\Middleware\CookieMiddleware->process
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\ApplicationMiddleware.php(29): Concrete\Core\Http\Middleware\MiddlewareDelegate->next
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\MiddlewareDelegate.php(38): Concrete\Core\Http\Middleware\ApplicationMiddleware->process
C:\MAMP\htdocs\portal\concrete\src\Http\Middleware\MiddlewareStack.php(86): Concrete\Core\Http\Middleware\MiddlewareDelegate->next
C:\MAMP\htdocs\portal\concrete\src\Http\DefaultServer.php(85): Concrete\Core\Http\Middleware\MiddlewareStack->process
C:\MAMP\htdocs\portal\concrete\src\Foundation\Runtime\Run\DefaultRunner.php(119): Concrete\Core\Http\DefaultServer->handleRequest
C:\MAMP\htdocs\portal\concrete\src\Foundation\Runtime\DefaultRuntime.php(102): Concrete\Core\Foundation\Runtime\Run\DefaultRunner->run
C:\MAMP\htdocs\portal\concrete\dispatcher.php(36): Concrete\Core\Foundation\Runtime\DefaultRuntime->run
C:\MAMP\htdocs\portal\index.php(3): null->require