How To Fix BE108 - Enter a positive quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: BE - General document entry

• Message number: 108

• Message text: Enter a positive quantity

What causes this issue?

You have entered a negative quantity. the document type does not allow
negative quantities.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Enter a positive quantity or create a funds reservation under a
document type that allows the entry of negative quantities.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BE108 - Enter a positive quantity ?

  The SAP error message BE108 ("Enter a positive quantity") typically occurs when a user attempts to enter a quantity in a transaction that is either zero or negative. This error is common in various SAP modules, particularly in inventory management, sales order processing, and material management.
  Cause:
  
  Invalid Quantity Input: The user has entered a quantity that is either zero or negative in a field that requires a positive value.
  System Configuration: Certain configurations in the system may enforce that only positive quantities are allowed for specific transactions.
  Data Entry Error: A simple typographical error where the user mistakenly inputs a negative sign or zero.
  
  Solution:
  
  Check Input Values: Ensure that the quantity entered is a positive number. If you intended to enter a specific quantity, double-check your input.
  Review Transaction Requirements: Understand the requirements of the transaction you are processing. Some transactions may inherently require a positive quantity (e.g., creating a sales order, goods movement).
  Correct Data Entry: If you find that you have entered an incorrect value, correct it to a positive number and try again.
  Consult Documentation: If you are unsure about the required input for a specific transaction, refer to the relevant SAP documentation or user guides.
  User Training: If this error occurs frequently, consider providing additional training for users on how to correctly enter data in the system.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes, such as MIGO (Goods Movement), VA01 (Create Sales Order), and others where quantity input is required.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that the user has the appropriate roles and permissions to perform the transaction, as restrictions may also lead to input errors.
  System Configuration: If the issue persists, it may be worth consulting with your SAP Basis or configuration team to review any settings that might enforce quantity restrictions.
  
  If the problem continues after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.