10000168 
Message
In “Account” dropdown list, select account
Diagnosis
In the Business Partner Master Data window, you have attempted to create a new business partner or update an existing one. But on the Payment Run tab, in the House Bank area, in the Account dropdown list, you have not selected a bank account number.
Procedure
On the Payment Run tab, in the House Bank area, in the Account dropdown list, select a bank account number.