How To Fix WRF_PPW882 - Material &1 (&2): Result planned qty < 0; planned quantity was set to 0

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PPW - Price Planning Workbench

• Message number: 882

• Message text: Material &1 (&2): Result planned qty < 0; planned quantity was set to 0

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PPW882 - Material &1 (&2): Result planned qty < 0; planned quantity was set to 0 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_PPW882 Material &1 (&2): Result planned qty < 0; planned quantity was set to 0
  
  Meaning / Cause:
  This message occurs during planning or production order processing when the system calculates a negative planned quantity for a material. Since planned quantities cannot be negative, the system automatically resets the planned quantity to zero and issues this warning.
  Why does this happen?  
  
  The system tries to adjust the planned quantity based on demand, stock, or other planning parameters.
  If the calculation results in a negative number (e.g., due to overconsumption, incorrect stock levels, or incorrect demand inputs), the system cannot plan a negative quantity.
  This situation often arises in Material Requirements Planning (MRP) or Production Planning (PP) scenarios when the net requirements calculation results in a negative value.
  
  
  Common Causes:
  
  Incorrect stock or inventory data: The system might have incorrect or outdated stock levels.
  Demand or supply mismatch: Overestimation of supply or underestimation of demand.
  Incorrect BOM or routing: Errors in Bill of Materials or routing can cause incorrect component requirements.
  Manual adjustments or data inconsistencies: Manual changes in planned orders, reservations, or stock can cause inconsistencies.
  Backflushing or goods movements errors: Incorrect postings can affect stock and planned quantities.
  MRP parameters or lot-sizing issues: Lot size settings or MRP type might cause unexpected results.
  
  
  Solution / How to Fix:
  
  
  Check Stock and Inventory Data:
  
  Verify the current stock levels for the material in question. Use transaction codes like MMBE (Stock Overview) or MB52 to check stock.
  
  
  Review Demand and Supply Elements:
  
  Check all open sales orders, planned orders, purchase requisitions, and reservations that affect the material.
  
  
  Analyze MRP Run:
  
  Run MRP again with detailed logs (transaction MD04 for stock/requirements list) to see how the planned quantity is calculated.
  
  
  Check BOM and Routing:
  
  Ensure that the BOM and routing for the material are correct and up to date.
  
  
  Adjust Lot Size and MRP Parameters:
  
  Review lot-sizing procedures and MRP parameters in the material master (transaction MM02).
  
  
  Correct Data Inconsistencies:
  
  If manual adjustments or incorrect postings caused the issue, correct them via appropriate transactions (e.g., MB1A, MB1C, or MB1B for goods movements).
  
  
  Consult SAP Notes:
  
  Sometimes, specific SAP Notes address known issues related to this message.
  
  
  
  Additional Information:
  
  This message is a warning, not an error, so the system continues processing but sets the planned quantity to zero to avoid negative values.
  It is important to investigate the root cause to prevent planning inaccuracies.
  Monitoring the stock/requirements list and MRP logs helps identify the source of the negative quantity.
  If this message appears frequently for the same material, it indicates a systemic issue in planning or master data.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message
  WRF_PPW882 Material &1 (&2): Result planned qty < 0; planned quantity was set to 0
  
  
  Cause
  Negative planned quantity calculated due to stock, demand, or master data inconsistencies
  
  
  Effect
  Planned quantity reset to zero to avoid negative values
  
  
  Solution
  Check stock, demand, BOM, routing, MRP parameters; correct inconsistencies; rerun MRP
  
  
  Transaction
  MMBE, MD04, MM02, MB1A/MB1B/MB1C
  
  
  
  
  If you want, I can help you with specific transaction steps or debugging tips related to this message.