You may change the Customer group 1 and / or 2 for selected customer account(s).
To change the Customer group 1:
1.On Action → Customer (Customers list screen) select the Customer(s), right-click on Customer group 1 or 2 context menu.
2.Select empty or the available Customer group from the sub-menu. The Customer group 1 or 2 will change on the reports.
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