Message type: E = Error
Message class:  /SAPAPO/PDEM -  
Message number: 825
Message text: Order &1 Item &2 Sched. Line &3 skipped because of negative quantity
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The SAP error message /SAPAPO/PDEM825 indicates that a specific order item in the Advanced Planning and Optimization (APO) module has been skipped due to a negative quantity. This typically occurs during the planning process when the system encounters a situation where the quantity for a scheduled line is less than zero, which is not permissible in the context of order processing.
Cause: Negative Demand or Supply: The most common cause is that the demand or supply for the item has been incorrectly calculated or entered, leading to a negative quantity. Incorrect Master Data: Issues with the master data, such as incorrect settings in the material master, can lead to negative quantities. Planning Parameters: Incorrect planning parameters or settings in the planning book can also result in negative quantities. Data Inconsistencies: Inconsistencies in the data, such as incorrect forecast data or order data, can lead to negative quantities being calculated.
Solution: Check Master Data: Review the material master
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