Thank you for contacting us, wrcbusiness501a.
The Error code: -81623 you're getting when updating the credit card info is already reported. And, our Product Team is currently investigating this behavior.
I recommend contacting our QuickBooks Online Technical Team so they can add your account to the investigation (INV-39594). This way, you'll be able to receive an update regarding the issue via email.
Here’s how to get in touch with them:
- Log in to your QuickBooks Online account.
- Click Help (?) at the top right.
- Select Contact Us to connect with a live support agent.
- Enter a brief discussion of your concern, then click Let's talk.
- Choose a way to connect with our representatives
Thank you for your patience as we work through this.