Go to the Xbox store and look up your purchase history. If you see your purchase shows "completed successfully", then [url=https://help.bungie.net/hc/en-us/articles/360049196071-Accessing-and-Restoring-Licenses-to-Destiny-Contentt]try restoring your license[/url]. If that doesn't work, contact Xbox Support for help. If the purchase shows as pending, refunded, or anything other than successful, you'll need to contact Xbox Support to get help. They may have mistakenly revoked your license without informing you.