1 exception(s): Exception #0 (Exception): Item (Magento\Downloadable\Model\Link) with the same ID "8" already exists. Exception #0 (Exception): Item (Magento\Downloadable\Model\Link) with the same ID "8" already exists.
#1 Magento\Framework\Data\Collection\AbstractDb->loadWithFilter() called at [vendor/magento/framework/Data/Collection/AbstractDb.php:565]
#2 Magento\Framework\Data\Collection\AbstractDb->load() called at [vendor/magento/framework/Data/Collection.php:839]
#3 Magento\Framework\Data\Collection->getIterator() called at [vendor/magento/module-downloadable/Model/Product/Type.php:155]
#4 Magento\Downloadable\Model\Product\Type->getLinks() called at [vendor/magento/module-downloadable/Model/LinkRepository.php:118]
#5 Magento\Downloadable\Model\LinkRepository->getLinksByProduct() called at [vendor/magento/module-downloadable/Model/Link/ReadHandler.php:42]
#6 Magento\Downloadable\Model\Link\ReadHandler->execute() called at [vendor/magento/framework/EntityManager/Operation/Read/ReadExtensions.php:48]
#7 Magento\Framework\EntityManager\Operation\Read\ReadExtensions->execute() called at [vendor/magento/framework/EntityManager/Operation/Read.php:112]
#8 Magento\Framework\EntityManager\Operation\Read->execute() called at [vendor/magento/framework/EntityManager/EntityManager.php:70]
#9 Magento\Framework\EntityManager\EntityManager->load() called at [vendor/magento/module-catalog/Model/ResourceModel/Product.php:722]
#10 Magento\Catalog\Model\ResourceModel\Product->load() called at [vendor/magento/framework/Model/AbstractModel.php:540]
#11 Magento\Framework\Model\AbstractModel->load() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#12 Magento\Catalog\Model\Product\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#13 Magento\Catalog\Model\Product\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#14 Magento\Catalog\Model\Product\Interceptor->___callPlugins() called at [generated/code/Magento/Catalog/Model/Product/Interceptor.php:68]
#15 Magento\Catalog\Model\Product\Interceptor->load() called at [vendor/magento/module-catalog/Model/ProductRepository.php:309]
#16 Magento\Catalog\Model\ProductRepository->getById() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#17 Magento\Catalog\Model\ProductRepository\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#18 Magento\Catalog\Model\ProductRepository\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#19 Magento\Catalog\Model\ProductRepository\Interceptor->___callPlugins() called at [generated/code/Magento/Catalog/Model/ProductRepository/Interceptor.php:32]
#20 Magento\Catalog\Model\ProductRepository\Interceptor->getById() called at [vendor/magento/module-catalog/Model/ProductNotFoundPageCacheTags.php:64]
#21 Magento\Catalog\Model\ProductNotFoundPageCacheTags->process() called at [vendor/magento/module-page-cache/Model/PageCacheTagsPreprocessorComposite.php:64]
#22 Magento\PageCache\Model\PageCacheTagsPreprocessorComposite->process() called at [vendor/magento/module-page-cache/Model/Layout/LayoutPlugin.php:100]
#23 Magento\PageCache\Model\Layout\LayoutPlugin->afterGetOutput() called at [vendor/magento/framework/Interception/Interceptor.php:146]
#24 Magento\Framework\View\Layout\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#25 Magento\Framework\View\Layout\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:41]
#26 Magento\Framework\View\Layout\Interceptor->getOutput() called at [vendor/magento/framework/View/Result/Page.php:258]
#27 Magento\Framework\View\Result\Page->render() called at [vendor/magento/framework/View/Result/Layout.php:171]
#28 Magento\Framework\View\Result\Layout->renderResult() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#29 Magento\Framework\View\Result\Page\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#30 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#31 Magento\Framework\View\Result\Page\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/View/Result/Page/Interceptor.php:32]
#32 Magento\Framework\View\Result\Page\Interceptor->renderResult() called at [vendor/magento/framework/App/Http.php:120]
#33 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/App/Bootstrap.php:263]
#34 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:29]