This is an old post from 2018 and is being closed.
Please add a new post with a link to refer to this post if needed and elaborate more on your issue with used code and screenshots.
https://support.wix.com/en/article/working-with-dataset-modes-and-collection-permissions
https://support.wix.com/en/article/syncing-data-between-sandbox-and-live-database-collections