I am having serious problem with CONFIGURATION - Saving and changing. I am not able to load the configuration page at all. I get this below given error, can anyone help me here.
Magento Details:
Apache Version - 2.4.29
PHP Version - 5.6.33
MySQL Version - 5.6.38
Magento Version - 2.2.2
{"0":"Notice: Undefined index: id in /home/efabrics/public_html/vendor/magento/module-config/Model/Config/Structure/Element/Iterator.php on line 63","1":"#0 /home/efabrics/public_html/vendor/magento/module-config/Model/Config/Structure/Element/Iterator.php(63): Magento\Framework\App\ErrorHandler->handler(8, 'Undefined index...', '/home/efabrics/...', 63, Array)\n#1 /home/efabrics/public_html/vendor/magento/module-config/Model/Config/Structure.php(146): Magento\Config\Model\Config\Structure\Element\Iterator->setElements(Array, 'default')\n#2 /home/efabrics/public_html/generated/code/Magento/Config/Model/Config/Structure/Interceptor.php(24): Magento\Config\Model\Config\Structure->getTabs()\n#3 /home/efabrics/public_html/vendor/magento/module-config/Model/Config/Structure.php(209): Magento\Config\Model\Config\Structure\Interceptor->getTabs()\n#4 /home/efabrics/public_html/generated/code/Magento/Config/Model/Config/Structure/Interceptor.php(76): Magento\Config\Model\Config\Structure->getFirstSection()\n#5 /home/efabrics/public_html/vendor/magento/module-config/Controller/Adminhtml/System/AbstractConfig.php(60): Magento\Config\Model\Config\Structure\Interceptor->getFirstSection()\n#6 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Config\Controller\Adminhtml\System\AbstractConfig->dispatch(Object(Magento\Framework\App\Request\Http))\n#7 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor->___callParent('dispatch', Array)\n#8 /home/efabrics/public_html/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(143): Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#9 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch(Object(Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))\n#10 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#11 /home/efabrics/public_html/generated/code/Magento/Config/Controller/Adminhtml/System/Config/Index/Interceptor.php(39): Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor->___callPlugins('dispatch', Array, NULL)\n#12 /home/efabrics/public_html/vendor/magento/framework/App/FrontController.php(55): Magento\Config\Controller\Adminhtml\System\Config\Index\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))\n#13 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch(Object(Magento\Framework\App\Request\Http))\n#14 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', Array)\n#15 /home/efabrics/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#16 /home/efabrics/public_html/generated/code/Magento/Framework/App/FrontController/Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', Array, Array)\n#17 /home/efabrics/public_html/vendor/magento/framework/App/Http.php(135): Magento\Framework\App\FrontController\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))\n#18 /home/efabrics/public_html/generated/code/Magento/Framework/App/Http/Interceptor.php(24): Magento\Framework\App\Http->launch()\n#19 /home/efabrics/public_html/vendor/magento/framework/App/Bootstrap.php(256): Magento\Framework\App\Http\Interceptor->launch()\n#20 /home/efabrics/public_html/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor))\n#21 {main}","url":"/efabadmin/admin/system_config/index/key/3efe52c828dea94d7e8f3ff31c33a13c6fce6418791023ff92a34e48e36151dc/","script_name":"/index.php"}