How To Fix /SAPAPO/MAT108 - Base unit of measure for Product &1 cannot be changed to &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 108

• Message text: Base unit of measure for Product &1 cannot be changed to &2.

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 /SAPAPO/MAT108 - Base unit of measure for Product &1 cannot be changed to &2. ?

  The SAP error message /SAPAPO/MAT108 indicates that there is an issue with changing the base unit of measure (UoM) for a product in the Advanced Planning and Optimization (APO) module. This error typically arises when you attempt to change the base unit of measure for a product that is already being used in various transactions or has existing data that is incompatible with the new unit of measure.
  Cause:
  
  Existing Transactions: The product may have existing transactions, such as purchase orders, sales orders, or stock movements, that are tied to the current base unit of measure.
  Data Inconsistency: There may be inconsistencies in the data related to the product, such as planned orders, production orders, or forecasts that reference the current base unit of measure.
  Configuration Issues: The system may have configuration settings that prevent changes to the base unit of measure for certain products or product types.
  
  Solution:
  
  Check Existing Transactions: Review any existing transactions related to the product. If there are open orders or stock movements, you may need to close or delete them before changing the base unit of measure.
  Change in Non-Active State: Ensure that the product is not in use or is in a non-active state. You may need to set the product to inactive before making changes.
  Use the Correct Transaction: Make sure you are using the appropriate transaction code to change the base unit of measure. In some cases, you may need to use a specific transaction designed for this purpose.
  Data Consistency Check: Perform a data consistency check to identify any issues that may prevent the change. This can include checking for planned orders, production orders, or forecasts that need to be adjusted.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on changing the base unit of measure in APO.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if you suspect a configuration issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MAT1 (for product master data) and /SAPAPO/MAT2 (for changing product data).
  Unit of Measure Configuration: Review the configuration settings for units of measure in the SAP system to ensure they are set up correctly.
  Master Data Management: Understand the implications of changing master data in SAP APO, as it can affect planning, forecasting, and inventory management processes.
  
  By following these steps, you should be able to resolve the error and successfully change the base unit of measure for the product in question.