How To Fix /ISDFPS/MM188 - Stor. loc. &1 already contains stock; cannot change the HU requirement

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 188

• Message text: Stor. loc. &1 already contains stock; cannot change the HU requirement

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 /ISDFPS/MM188 - Stor. loc. &1 already contains stock; cannot change the HU requirement ?

  The SAP error message /ISDFPS/MM188 indicates that there is an issue with changing the handling unit (HU) requirement for a storage location that already contains stock. This typically occurs in the context of warehouse management or inventory management processes where handling units are used to manage stock.
  Cause:
  The error is triggered when you attempt to change the handling unit requirement for a storage location that already has stock present. The system prevents this change to maintain data integrity and avoid inconsistencies in inventory management.
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Stock Levels: Verify if there is stock present in the specified storage location. You can do this by using transaction codes like MMBE (Stock Overview) to see the stock situation.
  
  
  Remove Stock: If possible, remove or transfer the stock from the storage location before attempting to change the HU requirement. This can be done through stock transfers or other inventory management transactions.
  
  
  Change HU Requirement: Once the storage location is empty, you can proceed to change the handling unit requirement as needed.
  
  
  Consult Documentation: Review the relevant SAP documentation or configuration settings related to handling units and storage locations to ensure that you are following the correct procedures.
  
  
  Check Customizations: If your organization has custom developments or configurations in place, consult with your SAP functional team to ensure that there are no additional constraints or rules affecting the handling unit requirements.
  
  
  Contact Support: If the issue persists or if you are unsure about the steps to take, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE, LT03 (Transfer Order), and HU02 (Handling Unit) for managing stock and handling units.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles: Ensure that you have the appropriate permissions to make changes to handling unit requirements and stock levels.
  
  By following these steps, you should be able to address the error and successfully manage the handling unit requirements in your SAP system.