How To Fix 29115 - Quantity must be negative for item category &

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 115

• Message text: Quantity must be negative for item category &

What causes this issue?

You want to enter or change an item in the current BOM with item
category &V1&. You have entered a positive quantity.
However, entry of positive quantities is not supported in the item
category you chose.
The item category determines whether you can enter only positive
quantities, only negative quantities, or both.

How to fix this error?

Check your entries.
Enter a negative quantity or choose another item category.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29115 - Quantity must be negative for item category & ?

  The SAP error message 29115, which states "Quantity must be negative for item category &," typically occurs in the context of inventory management or sales and distribution processes. This error indicates that the system expects a negative quantity for a specific item category, which is often associated with returns, adjustments, or other scenarios where stock is being removed from inventory.
  Cause:
  
  Item Category Configuration: The item category in question is configured to require negative quantities. This is common for return items or adjustments where stock is being deducted.
  Transaction Type: The transaction being processed (e.g., a return delivery, credit memo, or stock adjustment) is expected to have a negative quantity to reflect the removal of stock.
  Data Entry Error: A user may have mistakenly entered a positive quantity when a negative quantity is required.
  
  Solution:
  
  Check Item Category: Verify the item category associated with the transaction. Ensure that it is correctly set up to handle negative quantities.
  Adjust Quantity: If you are processing a return or an adjustment, ensure that you are entering a negative quantity. For example, if you are returning 10 units, you should enter -10.
  Review Configuration: If the item category is not set up correctly, you may need to consult with your SAP configuration team to ensure that the item category settings align with business processes.
  User Training: Provide training to users on how to correctly enter quantities for different item categories to avoid this error in the future.
  
  Related Information:
  
  Transaction Types: Common transactions that may trigger this error include return deliveries, credit memos, and stock transfers.
  SAP Documentation: Refer to SAP Help documentation for detailed information on item category settings and their implications on quantity entries.
  Debugging: If the error persists despite correct entries, consider debugging the transaction to identify any underlying issues in the configuration or data flow.
  
  By addressing the cause of the error and ensuring proper data entry practices, you can resolve the issue and prevent it from occurring in the future.