Component purchase intercompany & used in FG against particular sale order MTO

Hi,

Plant-A

FG Code - Strategy type 20, Customer Order 100pcs

RM Code - Stock is already available in system of 50pcs. But system will give PR of 100pcs due to MTO & Dep. req. ind. 2. When PR convert into PO (STO) with Item category U & Account assign. category E.

Plant-B

While doing VL10B, I am facing below error

4600000312 000010 An item with no delivery quantity is not permitted. Item will be deleted.