Could not create an acl object: Role '9' - how to resolve this?

Question

Something like this happend when I'm trying to login to backend:

{"0":"Could not create an acl object: Role '9' not found","1":"#0 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Framework/Acl/Builder/Proxy.php(95): Magento\Framework\Acl\Builder->getAcl()\n#1 /var/www/html/MAGENTO_HELPA/vendor/magento/module-backend/Model/Auth/Session.php(227): Magento\Framework\Acl\Builder\Proxy->getAcl()\n#2 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Backend/Model/Auth/Session/Interceptor.php(102): Magento\Backend\Model\Auth\Session->processLogin()\n#3 /var/www/html/MAGENTO_HELPA/vendor/magento/module-backend/Model/Auth.php(159): Magento\Backend\Model\Auth\Session\Interceptor->processLogin()\n#4 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Backend\Model\Auth->login('helpa_user', 'czarymamy1')\n#5 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Backend\Model\Auth\Interceptor->___callParent('login', Array)\n#6 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Backend\Model\Auth\Interceptor->Magento\Framework\Interception\{closure}('helpa_user', 'czarymamy1')\n#7 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Backend/Model/Auth/Interceptor.php(78): Magento\Backend\Model\Auth\Interceptor->___callPlugins('login', Array, Array)\n#8 /var/www/html/MAGENTO_HELPA/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(205): Magento\Backend\Model\Auth\Interceptor->login('helpa_user', 'czarymamy1')\n#9 /var/www/html/MAGENTO_HELPA/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(157): Magento\Backend\App\Action\Plugin\Authentication->_performLogin(Object(Magento\Framework\App\Request\Http))\n#10 /var/www/html/MAGENTO_HELPA/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(125): Magento\Backend\App\Action\Plugin\Authentication->_processNotLoggedInUser(Object(Magento\Framework\App\Request\Http))\n#11 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch(Object(Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))\n#12 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#13 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Backend/Controller/Adminhtml/Index/Index/Interceptor.php(39): Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor->___callPlugins('dispatch', Array, NULL)\n#14 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/App/FrontController.php(55): Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))\n#15 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch(Object(Magento\Framework\App\Request\Http))\n#16 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', Array)\n#17 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#18 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Framework/App/FrontController/Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', Array, Array)\n#19 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/App/Http.php(135): Magento\Framework\App\FrontController\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))\n#20 /var/www/html/MAGENTO_HELPA/generated/code/Magento/Framework/App/Http/Interceptor.php(24): Magento\Framework\App\Http->launch()\n#21 /var/www/html/MAGENTO_HELPA/vendor/magento/framework/App/Bootstrap.php(256): Magento\Framework\App\Http\Interceptor->launch()\n#22 /var/www/html/MAGENTO_HELPA/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor))\n#23 {main}","url":"/MAGENTO_HELPA/administrator/admin/index/index/key/feca50169fe7c3c42899965d7294f05a432197c786d63c62a2065e2ae579b627/","script_name":"/MAGENTO_HELPA/index.php"}

can anyone help me to fix this?

Answer 1

That issue of Magento Cache when loading rule collection from the database

Just Clean Magento Cache.

• Mladen Ilić: This is correct answer, thanks! You know you are dealing with crappy software when this happens.