Dear Ms Yen, Nguyen Thi ,
Pls. check step as bellows
1. If "Col. QTY_ON_HAND" less then Minimum Level as "Stock Model Entry" screen not generate orders.
2. Pls. check "Inner Pack Qty & Outer Pack Qty" In screen Style Vendor Entry should be have relate the “Minimum Level & Maximun level” in screen Stock Model Entry.