Intercompany AP invoice now working

Summary: We have recently added a New business unit . When we try to book Intercompany transaction from AP invoice UI invoice shows hold status with error's - Liability Account Invalid (Cannot Create Libility Account) . We have the following setup in place.

1.Manage Intercompany Customer Supplier Association

2.Manage Intercompany Balancing Rules (Primary Segment Rules /Legal Entity Rules)

Not sure what else is needed - thanks in advance

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