How to fix QBO process request: 6430, Invalid account type used. Invalid account type:

You may sometimes encounter the following QuickBooks Online error during synchronization:

QBO process request: 6430 — Invalid account type used

This error indicates that QuickBooks Online rejected the request because the received QBO account has an incompatible account type for the given transaction.

Why does this happen?

QuickBooks Online has strict validation rules for accounts dependin. If the mapped QBO account does not match the required Account Type and Detail Type, QuickBooks returns error 6430.

How to fix the issue

1. Open QuickBooks Online Connector in Odoo

2. Go to
   Odoo → QuickBooks Online → Mapping → Accounts

3. Find the Odoo account used in the failed synchronization

4. Check the mapped QBO account

5. In QuickBooks Online, verify that this account has the correct Account Type and Detail Type for the product or transaction

6. Update the mapping if necessary

7. Retry the synchronization

Summary

• Error 6430 means QuickBooks Online rejected the account type

• The issue is with the mapped QBO account, not the Odoo account

• QBO enforces strict rules based on product and transaction type

• Always verify account mappings in Mapping → Accounts

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