magento
diff --git a/‎app/code/Magento/Catalog/Model/Resource/Category.php
Lines changed: 3 additions & 0 deletions b/‎app/code/Magento/Catalog/Model/Resource/Category.php
Lines changed: 3 additions & 0 deletions
diff --git a/‎app/code/Magento/CatalogImportExport/Model/Export/Product.php
Lines changed: 351 additions & 335 deletions b/‎app/code/Magento/CatalogImportExport/Model/Export/Product.php
Lines changed: 351 additions & 335 deletions
@@ -234,6 +234,9 @@ protected function _beforeSave(\Magento\Framework\Object $object)
         }
 
         if ($object->isObjectNew()) {
+            if (is_null($object->getPosition())) {
+                $object->setPosition($this->_getMaxPosition($object->getPath()) + 1);
+            }
             $path = explode('/', $object->getPath());
             $level = count($path)  - ($object->getId() ? 1 : 0);
             $toUpdateChild = array_diff($path, [$object->getId()]);
Original file line number	Diff line number	Diff line change
`@@ -234,6 +234,9 @@ protected function _beforeSave(\Magento\Framework\Object $object)`
`234`	`234`	`}`
`235`	`235`
`236`	`236`	`if ($object->isObjectNew()) {`
	`237`	`+ if (is_null($object->getPosition())) {`
	`238`	`+ $object->setPosition($this->_getMaxPosition($object->getPath()) + 1);`
	`239`	`+ }`
`237`	`240`	`$path = explode('/', $object->getPath());`
`238`	`241`	`$level = count($path) - ($object->getId() ? 1 : 0);`
`239`	`242`	`$toUpdateChild = array_diff($path, [$object->getId()]);`