How To Fix /SCWM/GM040 - Products have different base units of measure. No posting change possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/GM -

• Message number: 040

• Message text: Products have different base units of measure. No posting change possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/GM040 - Products have different base units of measure. No posting change possible ?

  The SAP error message /SCWM/GM040 indicates that there is an issue with the base units of measure (UoM) for products involved in a goods movement. This error typically occurs when you attempt to perform a goods movement (like a transfer posting or stock transfer) between products that have different base units of measure, which prevents the system from processing the transaction.
  Cause:
  
  Different Base Units of Measure: The primary cause of this error is that the products involved in the transaction have different base units of measure defined in their material master records. For example, one product might be measured in kilograms while another is measured in grams.
  Inconsistent Configuration: There may be inconsistencies in the configuration of the materials in the system, leading to this error during the posting process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Records:
  
  Go to the material master records for the products involved in the transaction.
  Verify the base unit of measure for each product. You can do this by using transaction code MM03 (Display Material) and checking the Basic Data view.
  
  
  
  Standardize Base Units of Measure:
  
  If the products are supposed to be interchangeable, consider standardizing their base units of measure. You may need to change the base unit of measure for one of the materials to match the other.
  This can be done using transaction code MM02 (Change Material) to update the base unit of measure.
  
  
  
  Use Conversion Factors:
  
  If the products must remain in different units of measure, you can use conversion factors to convert quantities during the transaction. Ensure that the conversion factors are correctly defined in the material master.
  
  
  
  Check Transaction Type:
  
  Ensure that the type of goods movement you are trying to perform is appropriate for the materials involved. Some movements may have restrictions based on the UoM.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific configurations or settings that may be affecting the transaction.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  MB1A, MB1B, MB1C: Various goods movement transactions
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to material master records.
  
  By following these steps, you should be able to resolve the error and successfully complete the goods movement transaction.