Unable to create order in other than "Default warehouse" that mixed variant + package

Steps to reproduce

Steps to reproduce

1. Configure Variant A and Package B with instock in both Default Warehouse and Bankok instore pickup warehouse
2. Create an order in commerce manager, add Variant A + Package B to the order with warehouse = Bangkok
3. Set Billing Address for the order and click OK button

Expected: Order is created

Actual: Order is not created, it stays in the creating order form and threw exceptions as below:

ScriptResource.axd?d=VN_k7LDak8aiwxwFC53nyd3Yphv-4LdqjhxMuguu0tWWk_-y68COsl8kOuwMuUS22jXgM0OUDkXpVA…:5 Uncaught Sys.WebForms.PageRequestManagerServerErrorException: Sys.WebForms.PageRequestManagerServerErrorException: Parent

Note: This case works fine in Release 7.5, and the order can release, complete, return, exchange as normal.