Update data-platform-cds-newentity-pq.md

Author: mllopis

powerapps-docs/maker/common-data-service/data-platform-cds-newentity-pq.md

@@ -87,3 +87,6 @@ If you select **Load to existing entity**, you can specify an entity into which
 We're excited about this functionality and eager to hear your feedback. Please [send us your suggestions and feedback](https://powerusers.microsoft.com/t5/PowerApps-Community/ct-p/PowerApps1) about this feature!
 
 If an [error message about permissions](data-platform-cds-newentity-troubleshooting-mashup.md) appears, talk to your administrator.
+
+> [!WARNING]
+> There is a limit of 500,000 rows per run & per project that can be loaded using this feature.