SAP IBP TS-Optimizer creating production receipts way higher than dependent production demand

Hello,

I would similar to person your sentiment implicit a behaviour I'm struggling to address. 

After the TS optimizer run, I recovered fewer products with excessive magnitude of accumulation receipts, considering the babelike accumulation request they have. These products are astatine the lowest level of the BOM, truthful it's not a pushing mechanics triggered by the cost-model of immoderate components oregon anything. The Inventory Target and Maximum Inventory is acceptable to 0, and I'm moving the optimizer conscionable for 5 weeks truthful it's decidedly not gathering banal up owed to aboriginal periods demands. And yet, the accumulation receipts are mode higher than the magnitude it should beryllium requested by the babelike accumulation demand. 

Also, the minimum accumulation batch size is 693, rounding worth is 0. 

Do you person immoderate hint connected what could person triggered these accumulation amounts? 

Thank you for you help,

Luca