Error: You cannot make multiple successive calls to the open connection
When attempting to perform a financial exchange, you see the following error:
Error: You cannot make multiple successive calls to the open connection.
Why this is happening
Point of Sale and QuickBooks need to be updated.
How to fix it
- Be sure Point of Sale and QuickBooks have the latest updates installed:
- QuickBooks: Choose Help > Update QuickBooks and click Update Now
- Point of Sale: Choose Help > Software Updates > Check for Updates
- You can also download the update manually from our QuickBooks updates page.
- When the update’s finished, reboot your computer.
- Open Point of Sale and try the financial exchange again.