1 exception(s):
Exception #0 (Magento\Framework\Exception\RuntimeException): Type Error occurred when creating object: Magento\Eav\Model\Entity\Attribute\Source\Config

Exception #0 (Magento\Framework\Exception\RuntimeException): Type Error occurred when creating object: Magento\Eav\Model\Entity\Attribute\Source\Config
<pre>#1 Magento\Framework\ObjectManager\Factory\Compiled->create() called at [vendor/magento/framework/ObjectManager/ObjectManager.php:56]
#2 Magento\Framework\ObjectManager\ObjectManager->create() called at [vendor/magento/framework/Validator/UniversalFactory.php:36]
#3 Magento\Framework\Validator\UniversalFactory->create() called at [vendor/magento/module-eav/Model/Entity/Attribute/AbstractAttribute.php:642]
#4 Magento\Eav\Model\Entity\Attribute\AbstractAttribute->getSource() called at [vendor/magento/module-customer/Model/AttributeMetadataConverter.php:68]
#5 Magento\Customer\Model\AttributeMetadataConverter->createMetadataAttribute() called at [vendor/magento/module-customer/Model/Metadata/CustomerMetadata.php:87]
#6 Magento\Customer\Model\Metadata\CustomerMetadata->getAttributeMetadata() called at [vendor/magento/module-customer/Model/Metadata/CustomerMetadata.php:119]
#7 Magento\Customer\Model\Metadata\CustomerMetadata->getAllAttributesMetadata() called at [vendor/magento/module-customer/Model/Metadata/CachedMetadata.php:85]
#8 Magento\Customer\Model\Metadata\CachedMetadata->getAllAttributesMetadata() called at [vendor/magento/module-customer/Ui/Component/Listing/AttributeRepository.php:83]
#9 Magento\Customer\Ui\Component\Listing\AttributeRepository->getList() called at [vendor/magento/module-customer/Ui/Component/Listing/Columns.php:102]
#10 Magento\Customer\Ui\Component\Listing\Columns->prepare() called at [vendor/magento/framework/View/Layout/Generator/UiComponent.php:164]
#11 Magento\Framework\View\Layout\Generator\UiComponent->prepareComponent() called at [vendor/magento/framework/View/Layout/Generator/UiComponent.php:161]
#12 Magento\Framework\View\Layout\Generator\UiComponent->prepareComponent() called at [vendor/magento/framework/View/Layout/Generator/UiComponent.php:142]
#13 Magento\Framework\View\Layout\Generator\UiComponent->generateComponent() called at [vendor/magento/framework/View/Layout/Generator/UiComponent.php:102]
#14 Magento\Framework\View\Layout\Generator\UiComponent->process() called at [vendor/magento/framework/View/Layout/GeneratorPool.php:81]
#15 Magento\Framework\View\Layout\GeneratorPool->process() called at [vendor/magento/framework/View/Layout.php:343]
#16 Magento\Framework\View\Layout->generateElements() called at [vendor/magento/framework/View/Layout/Builder.php:129]
#17 Magento\Framework\View\Layout\Builder->generateLayoutBlocks() called at [vendor/magento/framework/View/Page/Builder.php:55]
#18 Magento\Framework\View\Page\Builder->generateLayoutBlocks() called at [vendor/magento/framework/View/Layout/Builder.php:65]
#19 Magento\Framework\View\Layout\Builder->build() called at [vendor/magento/framework/View/Layout.php:253]
#20 Magento\Framework\View\Layout->build() called at [vendor/magento/framework/View/Layout.php:875]
#21 Magento\Framework\View\Layout->getBlock() called at [vendor/magento/module-backend/Model/View/Result/Page.php:26]
#22 Magento\Backend\Model\View\Result\Page->setActiveMenu() called at [vendor/magento/module-customer/Controller/Adminhtml/Index/Index.php:28]
#23 Magento\Customer\Controller\Adminhtml\Index\Index->execute() called at [vendor/magento/framework/App/Action/Action.php:108]
#24 Magento\Framework\App\Action\Action->dispatch() called at [vendor/magento/module-backend/App/AbstractAction.php:231]
#25 Magento\Backend\App\AbstractAction->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#26 Magento\Customer\Controller\Adminhtml\Index\Index\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#27 Magento\Customer\Controller\Adminhtml\Index\Index\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-backend/App/Action/Plugin/Authentication.php:143]
#28 Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135]
#29 Magento\Customer\Controller\Adminhtml\Index\Index\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#30 Magento\Customer\Controller\Adminhtml\Index\Index\Interceptor->___callPlugins() called at [generated/code/Magento/Customer/Controller/Adminhtml/Index/Index/Interceptor.php:26]
#31 Magento\Customer\Controller\Adminhtml\Index\Index\Interceptor->dispatch() called at [vendor/magento/framework/App/FrontController.php:159]
#32 Magento\Framework\App\FrontController->processRequest() called at [vendor/magento/framework/App/FrontController.php:99]
#33 Magento\Framework\App\FrontController->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#34 Magento\Framework\App\FrontController\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#35 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#36 Magento\Framework\App\FrontController\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/App/FrontController/Interceptor.php:26]
#37 Magento\Framework\App\FrontController\Interceptor->dispatch() called at [vendor/magento/framework/App/Http.php:137]
#38 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/App/Bootstrap.php:261]
#39 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:40]
</pre>