Message type: E = Error
Message class: WV - Messages about Sales Price Calculation
Message number: 191
Message text: The net/net PP found is negative
The net net purchase price that was determined during price
determination is negative.
A sales price cannot be calculated for this item.
Check the basic purchase price and all the conditions that are used to
determine the net net purchase price. In particular, pay attention to
the absolute conditions with a negative sign. If necessary, set these
condition records to "not relevant to pricing".
Error message extract from SAP system. Copyright SAP SE.
WV191
- The net/net PP found is negative ?The SAP error message WV191, which states "The net/net PP found is negative," typically occurs in the context of production planning and material requirements planning (MRP) processes. This error indicates that the system has calculated a negative net requirement for a product, which is not valid in the context of planning and inventory management. Causes: Incorrect Master Data: The material master data may have incorrect settings, such as negative stock levels, incorrect safety stock levels, or incorrect planning parameters. Negative Stock: If the stock levels for a material are negative, it can lead to negative net requirements. Incorrect Demand Forecasting: If the demand forecast is set too high or if there are incorrect sales orders, it can lead to negative net requirements. Incorrect MRP Settings: MRP settings such as lead times, lot sizes, or planning strategies may be incorrectly configured. Overlapping Orders: If there are overlapping production orders or purchase orders that are not accounted for
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