How To Fix VL855 - Delivery qty must not become negative through EWM confirmation, item &

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 855

• Message text: Delivery qty must not become negative through EWM confirmation, item &

Self-Explanatory Message

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• What is the cause and solution for SAP error message VL855 - Delivery qty must not become negative through EWM confirmation, item & ?

  The SAP error message VL855 ("Delivery qty must not become negative through EWM confirmation, item &") typically occurs in the context of Extended Warehouse Management (EWM) when there is an attempt to confirm a delivery quantity that would result in a negative quantity for a specific item in a delivery. This can happen during the process of goods movement, picking, or confirmation of warehouse tasks.
  Cause:
  
  
  Over-Confirmation: The most common cause is that the system is trying to confirm more items than are available in the delivery. For example, if the delivery has 10 units and the user tries to confirm 12 units, the system will throw this error because it would result in a negative quantity.
  
  
  Incorrect Quantity in EWM: There may be discrepancies between the quantities in the EWM system and the actual quantities in the delivery. This can happen due to manual errors or incorrect data entry.
  
  
  Stock Issues: If stock has been removed or adjusted in the background (e.g., due to other transactions), it may lead to a situation where the available quantity is less than what is being confirmed.
  
  
  Configuration Issues: There may be configuration settings in EWM that are not aligned with the business processes, leading to incorrect handling of quantities.
  
  
  Solution:
  
  
  Check Delivery Quantities: Verify the quantities in the delivery document. Ensure that the quantity being confirmed does not exceed the available quantity in the delivery.
  
  
  Adjust Confirmation: If you are trying to confirm a quantity that exceeds the available stock, adjust the confirmation to match the available quantity.
  
  
  Review Stock Levels: Check the stock levels in the warehouse to ensure that they match the expected quantities. If there are discrepancies, investigate and correct them.
  
  
  Reprocess the Task: If the error occurred during a specific warehouse task, you may need to reprocess that task or create a new one with the correct quantities.
  
  
  Consult Logs: Check the EWM logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Configuration Review: If the issue persists, review the EWM configuration settings related to delivery processing and confirmations to ensure they are set up correctly.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SCWM/PRDI (for processing inbound deliveries) or /SCWM/TO (for transfer orders) to manage and review deliveries and stock.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  Documentation: Refer to the SAP Help Portal for detailed documentation on EWM processes and error handling.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in EWM for further assistance.