How To Fix VMP_MSG138 - Non-visual qty of &1 for material &2 does not match source qty of &3

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 138

• Message text: Non-visual qty of &1 for material &2 does not match source qty of &3

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_MSG138 - Non-visual qty of &1 for material &2 does not match source qty of &3 ?

  The SAP error message VMP_MSG138 indicates a discrepancy between the non-visual quantity of a material and the source quantity during a process, typically related to inventory management or material handling. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Quantity Mismatch: The non-visual quantity (the quantity that is not displayed visually in the system) for the specified material does not match the source quantity. This can occur during processes such as goods movements, stock transfers, or inventory adjustments.
  Data Entry Errors: Incorrect data entry during transactions can lead to mismatches in quantities.
  Configuration Issues: There may be issues with the configuration of the material master or inventory management settings.
  Batch Management: If the material is batch-managed, discrepancies can arise if the batch quantities are not properly accounted for.
  Stock Type Issues: Different stock types (e.g., unrestricted, quality inspection, blocked stock) may not be properly aligned.
  
  Solution:
  
  Verify Quantities: Check the non-visual quantity and the source quantity for the specified material. Ensure that they match and are correctly recorded in the system.
  Review Transactions: Look at the recent transactions involving the material to identify any discrepancies or errors in data entry.
  Adjust Inventory: If there is a legitimate discrepancy, you may need to perform an inventory adjustment to correct the quantities.
  Check Material Master: Review the material master data for the affected material to ensure that all settings are correct and consistent.
  Batch and Stock Type Review: If applicable, check the batch management settings and stock types to ensure they are correctly configured and accounted for.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling this error in your version of SAP.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MB1A, MB1B, or MB1C for goods movements, or MMBE for stock overview to investigate the issue further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user performing the transaction has the necessary authorizations to make changes to inventory quantities.
  Training and Best Practices: Ensure that users are trained on proper data entry and inventory management practices to minimize errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.