How To Fix WB2B381 - Negative sales quantity is not permitted. Check input data

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 381

• Message text: Negative sales quantity is not permitted. Check input data

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B381 - Negative sales quantity is not permitted. Check input data ?

  The SAP error message WB2B381, which states "Negative sales quantity is not permitted. Check input data," typically occurs in the context of sales order processing or inventory management. This error indicates that the system has detected an attempt to process a sales transaction with a negative quantity, which is not allowed in standard SAP configurations.
  Causes:
  
  Incorrect Data Entry: A user may have mistakenly entered a negative quantity in the sales order or delivery document.
  System Configuration: The system may be configured to disallow negative quantities for certain materials or sales processes.
  Return Orders: If you are trying to create a return order, the system may not be set up correctly to handle negative quantities.
  Inventory Issues: There may be issues with inventory management, such as trying to sell more items than are available in stock.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they may inadvertently allow or process negative quantities incorrectly.
  
  Solutions:
  
  Check Input Data: Review the sales order or delivery document to ensure that all quantities are entered correctly. Make sure that no negative values are present.
  Review Configuration: Check the configuration settings in the SAP system related to sales order processing and inventory management. Ensure that negative quantities are not allowed for the specific material or sales process.
  Return Order Process: If you are processing a return, ensure that you are using the correct transaction type and that the system is configured to handle returns properly.
  Inventory Check: Verify the inventory levels for the material in question. Ensure that there is sufficient stock available to fulfill the order.
  Consult Documentation: Review SAP documentation or help resources for specific guidance on handling negative quantities in your version of SAP.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert to investigate further.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VA01 (Create Sales Order), VA02 (Change Sales Order), and VL01N (Create Outbound Delivery) to navigate through the sales processes.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address the issue.
  User Training: Ensure that users are trained on proper data entry practices to minimize the occurrence of such errors in the future.
  
  By following these steps, you should be able to identify the cause of the WB2B381 error and implement a solution to resolve it.