[6.0]Create invoice from picking error

Server 6.0:
revno: 3613
revision-id: launchpad_translations_on_behalf_of_openerp-20120413060114-ond083pxad6k74xw

Addons 6.0:
revno: 5199
revision-id: launchpad_translations_on_behalf_of_openerp-20120423052105-ahi06u3sirx8lzn3

GTK Client 6.0:
revno: 1948
revision-id: launchpad_translations_on_behalf_of_openerp-20120328050440-0dd5gjnbpp7c8j09

OS server:
Debian Lenny 6.0

OS Client:
Ubuntu Lucid Lynx 10.04 LTS

Create database with data demo
Install account, sale and purchase module(Purchase, Warehouse, Sales Management and Accounting & Finance)
Select Generic Chart of Account
Purchase and Sale Tax: 12%
Assign to demo user the following groups:
   Accounting / Invoice,
   Accounting / Manager,
   Useability / Extended,
   Purchase / Manager
Login with demo user
Go to Accounting>Configuration>Financial Accounting>Accounts>Accounts
Duplicate Creditors account
Set Name to Creditors ASUStek
Set Code to 111400
Go to Accounting>Suppliers
Select ASUStek Supplier
Set Account Payable to 111400 Creditors ASUStek
Go to Purchases>Purchase Management>Request for Quotation
Create new one
   Set Supplier to ASUStek
   Product: [CPU1] Processor AMD Athlon XP 1800+
   Quantity: 10
   Invoicing Control: From Picking
Convert to Purchase Order
Click Receptions
Process the Picking In
Create Invoice from the picking
Destination Journal: Purchase Journal
Check the Supplier Invoice
The Account take is from company partner(111100 Creditor ) and not from partner supplier(111400 Creditors ASUStek)

Thanks in advance.