The feature you have requested is temporarily unavailable.

Do you need to sign up a QBO Accountant account? Contact us in private if you need assistance

https:// quickbooks.intuit.com/learn-support/en-us/account-management/problem-in-signing-up-a-quickbooks-online-accountant/00/813827/page/2

We've been alerted about the error message when accepting client invites, xeroaccyr10-gmai.

Our Product Engineers are working to identify the root cause and will be providing updates via email.

I recommend contacting our QuickBooks Live Support Team so they can add your account to the investigation (INV-61750). This way, you'll receive updates once the issue is resolved. 

Here's how to get in touch with them.

1. Click the Help (?) icon.
2. Select Contact Us.
3. Enter a brief discussion of your concern, then click Continue.
4. Choose Call us.
5. Click Get a phone number.
6. Dial the number provided on the screen, then click OK.
    

Please know that our Live Support Team is available M-F 6 AM to 6 PM PT and Saturday 6 AM to 3 PM PT. To learn more about this, here's an article for the details: QuickBooks Online Support.

While waiting for the fix, you can take a test drive to practice and use tools with sample client data. Please browse this link and start the workflow: Learn how to test QuickBooks Online Accountant features in a demo client company.

Let me know if there's anything else I can help you with today by commenting below. I'm always right here to provide the information that you need.

Every time,When we tried to raise a request for a callback & chat buttons are disabled 

@xeroaccyr10-gmai 

Their Live Support Team is only available M-F 6 AM to 6 PM PT and Saturday 6 AM to 3 PM PT