How To Fix COM_PRODUCT_UNIT027 - Base unit of measure was changed, check the conversion factors

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PRODUCT_UNIT - Messages on Units of Measure

• Message number: 027

• Message text: Base unit of measure was changed, check the conversion factors

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 COM_PRODUCT_UNIT027 - Base unit of measure was changed, check the conversion factors ?

  The SAP error message COM_PRODUCT_UNIT027 indicates that the base unit of measure for a product has been changed, and it is necessary to check the conversion factors associated with that product. This error typically arises in the context of materials management or product master data management within SAP.
  Cause:
  
  Change in Base Unit of Measure: The base unit of measure for a material has been modified. This could happen due to a business process change, a data migration, or an error during data entry.
  Inconsistent Conversion Factors: When the base unit of measure is changed, the existing conversion factors (which define how different units of measure relate to each other) may no longer be valid or consistent.
  Data Integrity Issues: The change may lead to inconsistencies in the product master data, affecting inventory management, sales, and purchasing processes.
  
  Solution:
  
  Review the Change: Check the change history of the material to understand why the base unit of measure was changed. This can be done in the material master record.
  Check Conversion Factors: Navigate to the material master data and verify the conversion factors for the new base unit of measure. Ensure that they are correctly defined and consistent with the new base unit.
  
  You can do this by going to the material master (transaction code MM02), selecting the relevant views (like Basic Data, Purchasing, Sales, etc.), and reviewing the unit of measure settings.
  
  
  Adjust Conversion Factors: If the conversion factors are incorrect or missing, update them accordingly. Ensure that the conversion factors accurately reflect the relationship between the base unit of measure and any alternative units of measure.
  Test the Changes: After making adjustments, perform tests to ensure that transactions involving the material (like goods movements, sales orders, etc.) work correctly with the updated unit of measure and conversion factors.
  Consult Documentation: If necessary, refer to SAP documentation or consult with your SAP support team for guidance on best practices for managing unit of measure changes.
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured in SAP is crucial. The material master contains various views that define how a material is managed in different contexts (e.g., purchasing, sales, inventory).
  Unit of Measure Settings: Familiarize yourself with the unit of measure settings in SAP, including how to define and maintain conversion factors.
  SAP Notes and Knowledge Base Articles: Check SAP's support portal for any relevant notes or articles that may provide additional insights or solutions related to this error message.
  Training and Documentation: Consider training sessions or documentation on material management and unit of measure handling in SAP to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the COM_PRODUCT_UNIT027 error and ensure that your material master data is accurate and consistent.