How To Fix VMP_MSG109 - Enter a valid quantity

VMP_MSG109 - Overview

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 109

• Message text: Enter a valid quantity

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 VMP_MSG109 - Enter a valid quantity ?

  The SAP error message VMP_MSG109: "Enter a valid quantity" typically occurs in the context of sales and distribution (SD) or materials management (MM) when a user attempts to enter a quantity that is either invalid or not acceptable according to the system's validation rules. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Invalid Quantity Format: The quantity entered may not conform to the expected format (e.g., using letters instead of numbers).
  Negative Quantity: The system may not allow negative quantities for certain transactions.
  Zero Quantity: Some transactions may require a non-zero quantity.
  Decimal Places: The quantity may have too many decimal places or not enough, depending on the configuration of the material.
  Unit of Measure Issues: The unit of measure for the quantity may not be compatible with the material or the transaction type.
  Field Restrictions: The field may have restrictions based on the configuration in the SAP system, such as mandatory