==> /var/log/httpd/error_log <==
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP Fatal error:  Allowed memory size of 805306368 bytes exhausted (tried to allocate 20480 bytes) in /server/sites/(SITE)/vendor/magento/framework/Model/ResourceModel/Db/VersionControl/Snapshot.php on line 47, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP Stack trace:, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   1. {main}() /server/sites/(SITE)/pub/index.php:0, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   2. Magento\\Framework\\App\\Bootstrap->run() /server/sites/(SITE)/pub/index.php:37, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   3. Magento\\Framework\\App\\Http->launch() /server/sites/(SITE)/vendor/magento/framework/App/Bootstrap.php:258, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   4. Magento\\Framework\\App\\FrontController\\Interceptor->dispatch() /server/sites/(SITE)/vendor/magento/framework/App/Http.php:135, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   5. Magento\\Framework\\App\\FrontController\\Interceptor->___callPlugins() /server/sites/(SITE)/var/generation/Magento/Framework/App/FrontController/Interceptor.php:26, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   6. Magento\\Framework\\Module\\Plugin\\DbStatusValidator->aroundDispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:142, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   7. Magento\\Framework\\App\\FrontController\\Interceptor->Magento\\Framework\\Interception\\{closure}() /server/sites/(SITE)/vendor/magento/framework/Module/Plugin/DbStatusValidator.php:69, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   8. Magento\\Framework\\Interception\\Chain\\Chain->invokeNext() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:138, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP   9. Magento\\Framework\\App\\FrontController\\Interceptor->___callParent() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:70, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  10. Magento\\Framework\\App\\FrontController->dispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:74, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  11. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start\\Interceptor->dispatch() /server/sites/(SITE)/vendor/magento/framework/App/FrontController.php:55, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  12. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start\\Interceptor->___callPlugins() /server/sites/(SITE)/var/generation/Magento/ImportExport/Controller/Adminhtml/Import/Start/Interceptor.php:39, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  13. Magento\\Backend\\App\\Action\\Plugin\\MassactionKey->aroundDispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:142, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  14. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start\\Interceptor->Magento\\Framework\\Interception\\{closure}() /server/sites/(SITE)/vendor/magento/module-backend/App/Action/Plugin/MassactionKey.php:33, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  15. Magento\\Framework\\Interception\\Chain\\Chain->invokeNext() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:138, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  16. Magento\\Logging\\App\\Action\\Plugin\\Log->aroundDispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:67, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  17. Magento\\Framework\\Interception\\Chain\\Chain->Magento\\Framework\\Interception\\Chain\\{closure}() /server/sites/(SITE)/vendor/magento/module-logging/App/Action/Plugin/Log.php:69, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  18. Magento\\Framework\\Interception\\Chain\\Chain->invokeNext() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:63, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  19. Magento\\Backend\\App\\Action\\Plugin\\Authentication->aroundDispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:67, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  20. Magento\\Framework\\Interception\\Chain\\Chain->Magento\\Framework\\Interception\\Chain\\{closure}() /server/sites/(SITE)/vendor/magento/module-backend/App/Action/Plugin/Authentication.php:143, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  21. Magento\\Framework\\Interception\\Chain\\Chain->invokeNext() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:63, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  22. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start\\Interceptor->___callParent() /server/sites/(SITE)/vendor/magento/framework/Interception/Chain/Chain.php:70, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  23. Magento\\Backend\\App\\AbstractAction->dispatch() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:74, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  24. Magento\\Framework\\App\\Action\\Action->dispatch() /server/sites/(SITE)/vendor/magento/module-backend/App/AbstractAction.php:226, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  25. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start\\Interceptor->execute() /server/sites/(SITE)/vendor/magento/framework/App/Action/Action.php:102, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  26. Magento\\ImportExport\\Controller\\Adminhtml\\Import\\Start->execute() /server/sites/(SITE)/var/generation/Magento/ImportExport/Controller/Adminhtml/Import/Start/Interceptor.php:24, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  27. Magento\\ImportExport\\Model\\Import\\Interceptor->importSource() /server/sites/(SITE)/vendor/magento/module-import-export/Controller/Adminhtml/Import/Start.php:55, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  28. Magento\\ImportExport\\Model\\Import\\Interceptor->___callPlugins() /server/sites/(SITE)/var/generation/Magento/ImportExport/Model/Import/Interceptor.php:104, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  29. Magento\\ImportExport\\Model\\Import->importSource() /server/sites/(SITE)/vendor/magento/framework/Interception/Interceptor.php:146, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  30. Magento\\ImportExport\\Model\\Import->processImport() /server/sites/(SITE)/vendor/magento/module-import-export/Model/Import.php:418, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  31. Magento\\CustomerImportExport\\Model\\Import\\Customer\\Interceptor->importData() /server/sites/(SITE)/vendor/magento/module-import-export/Model/Import.php:453, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  32. Magento\\ImportExport\\Model\\Import\\AbstractEntity->importData() /server/sites/(SITE)/var/generation/Magento/CustomerImportExport/Model/Import/Customer/Interceptor.php:232, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  33. Magento\\CustomerImportExport\\Model\\Import\\Customer->_importData() /server/sites/(SITE)/vendor/magento/module-import-export/Model/Import/AbstractEntity.php:612, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  34. Magento\\CustomerImportExport\\Model\\Import\\Customer->_prepareDataForUpdate() /server/sites/(SITE)/vendor/magento/module-customer-import-export/Model/Import/Customer.php:455, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  35. Magento\\CustomerImportExport\\Model\\Import\\AbstractCustomer->_getCustomerId() /server/sites/(SITE)/vendor/magento/module-customer-import-export/Model/Import/Customer.php:350, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  36. Magento\\CustomerImportExport\\Model\\ResourceModel\\Import\\Customer\\Storage->getCustomerId() /server/sites/(SITE)/vendor/magento/module-customer-import-export/Model/Import/AbstractCustomer.php:171, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  37. Magento\\CustomerImportExport\\Model\\ResourceModel\\Import\\Customer\\Storage->load() /server/sites/(SITE)/vendor/magento/module-customer-import-export/Model/ResourceModel/Import/Customer/Storage.php:121, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  38. Magento\\ImportExport\\Model\\ResourceModel\\CollectionByPagesIterator->iterate() /server/sites/(SITE)/vendor/magento/module-customer-import-export/Model/ResourceModel/Import/Customer/Storage.php:87, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  39. Magento\\Framework\\Data\\Collection->count() /server/sites/(SITE)/vendor/magento/module-import-export/Model/ResourceModel/CollectionByPagesIterator.php:34, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  40. Magento\\Eav\\Model\\Entity\\Collection\\AbstractCollection->load() /server/sites/(SITE)/vendor/magento/framework/Data/Collection.php:831, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  41. Magento\\Eav\\Model\\Entity\\Collection\\VersionControl\\AbstractCollection->beforeAddLoadedItem() /server/sites/(SITE)/vendor/magento/module-eav/Model/Entity/Collection/AbstractCollection.php:919, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  42. Magento\\Framework\\Model\\ResourceModel\\Db\\VersionControl\\Snapshot->registerSnapshot() /server/sites/(SITE)/vendor/magento/module-eav/Model/Entity/Collection/VersionControl/AbstractCollection.php:80, referer: https://(SITE)/backend/admin/import/
[Fri Mar 10 12:00:19 2017] [error] [client 127.0.0.1] PHP  43. array_merge() /server/sites/(SITE)/vendor/magento/framework/Model/ResourceModel/Db/VersionControl/Snapshot.php:47, referer: https://(SITE)/backend/admin/import/