Acctivate is no longer connected to QuickBooks Online or Could no get Intuit access token: HTTP 400 error

If you see the error message "Acctivate is no longer connected to QuickBooks Online", or "Could not get Intuit access token: HTTP 400: {"error":"invalid_request"}", this usually means the secure authorization token linking Acctivate and QuickBooks Online has expired or been revoked.

Could not get Intuit access token: HTTP 400: {"error":"invalid_request"}

This can occur after a QuickBooks Online session times out, the app is manually disconnected, or credentials are refreshed.

To resolve this issue, follow these steps to reconnect Acctivate to QuickBooks Online:

1. Close Acctivate completely on all workstations.

   1. Ensure all users are logged out before proceeding to avoid sync conflicts.

2. Confirm that Acctivate is still authorized for QuickBooks Online.

   1. Open a web browser and sign in to QuickBooks Online.

   2. IMPORTANT! Be sure to open the company linked with Acctivate.

   3. Go to "Apps" > "Overview" on the Left Menu (Link)

   4. Confirm that Acctivate Inventory Software is listed as a connected with a green check ✅

3. Reconnect Acctivate to QuickBooks Online.

   1. Launch Acctivate Database Maintenance from the Windows Start Menu
   2. Open Database Info from the Database menu.
   3. Select your company in the list
   4. Click Disconnect in the QuickBooks section on the right, then click Yes to confirm.
   5. Click the Connect to QuickBooks button.
   6. This will open an internet browser for you to Login to your QuickBooks Online Company, proceed to login using an Admin account. 
   7. You should receive the following message that "Link between Acctivate database and QuickBooks company file has been reset."
      
      
4. Restart Acctivate and Sync with QuickBooks from the QuickBooks menu.