How To Fix BE109 - Enter a negative quantity

BE109 - Overview

• Message type: E = Error

• Message class: BE - General document entry

• Message number: 109

• Message text: Enter a negative quantity

What causes this issue?

You have entered a positive quantity. This is not permitted for this
document type.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Enter a negative amount or create the funds reservation with a document
type that does allow positive quantities.

Error message extract from SAP system. Copyright SAP SE.

BE109 - Details

• The SAP error message BE109, which states "Enter a negative quantity," typically occurs in scenarios where the system expects a negative quantity input, but a positive quantity is provided instead. This error is commonly encountered in processes such as inventory management, goods movements, or when dealing with returns.
  
  Cause:
  
  Incorrect Quantity Input: The most common cause is that the user is trying to enter a positive quantity in a field that requires a negative quantity. This often happens during processes like returns or stock adjustments.
  
  Configuration Issues: In some cases, the configuration of the material or movement type may require a negative quantity for certain transactions.
  Business Logic: The business process may dictate that certain transactions must be recorded as negative quantities (e.g., when returning goods to a vendor).
  
  
  Solution:
  
  Check Input: Verify the quantity you are entering. If the transaction requires a negative quantity (e.g., for returns), ensure you are entering a negative value.
  Review Transaction