How To Fix WB2B380 - Negative purchasing quantity is not permitted. Check input data

WB2B380 - Overview

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 380

• Message text: Negative purchasing 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 WB2B380 - Negative purchasing quantity is not permitted. Check input data ?

  The SAP error message WB2B380, which states "Negative purchasing quantity is not permitted. Check input data," typically occurs when there is an attempt to process a purchase order or a related document with a negative quantity. This is not allowed in SAP as purchasing quantities must always be positive.
  Causes:
  
  Incorrect Data Entry: A user may have mistakenly entered a negative quantity in the purchase order or related document.
  System Configuration: There may be a configuration issue in the system that allows for negative quantities in certain scenarios, which is not standard practice.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or errors in the data that include negative quantities.
  Custom Code or Enhancements: If there are custom developments or enhancements in the SAP system, they may inadvertently allow or process negative quantities incorrectly.
  
  Solutions:
  
  Check Input Data: Review the purchase order or document where the error occurred. Ensure that