In Practice Manager Contact 20XX / HandiSoft 20XX, log in as Administrator:
Go to Tools, Integration Configuration
Check if it's showing Authorized, if not, it will have a Re-Authorize button, press this button to Re-authroize.
Press Allow to any prompts. You may be prompted for your login credentials.
Make some changes to your data to confirm if the products are synchronising after the re-authorization.
You can also login to Integration Server with the system administrator credentials and go to Product Setup, click into each product by pressing the cog wheel settings icon to see if it displays as Authorized.
If the products you are entitled to are Authorized, please try to restart the HSDA (HandiSoft Data Agent) service if you have access to the local server. If the issue persists, please raise a new support case and reference this article.