How To Fix /SPE/VL073 - The conversion factor between the sales and base UoM cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SPE/VL -

• Message number: 073

• Message text: The conversion factor between the sales and base UoM cannot be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SPE/VL073 - The conversion factor between the sales and base UoM cannot be changed ?

  The SAP error message /SPE/VL073 indicates that there is an issue with the conversion factor between the sales unit of measure (UoM) and the base unit of measure in the system. This typically occurs when there is an attempt to change the conversion factor for a material that is already in use in sales documents or has been processed in a way that prevents changes to its UoM settings.
  Cause:
  
  Existing Sales Documents: The material is already referenced in existing sales documents (like sales orders, deliveries, etc.), which locks the conversion factor.
  Material Master Settings: The material master data may have been set up in a way that restricts changes to the conversion factor.
  Configuration Issues: There may be configuration settings in the system that prevent changes to the UoM conversion factors once they are set.
  
  Solution:
  
  Check Existing Documents: Review any existing sales documents that reference the material. If there are open documents, you may need to close or delete them before making changes.
  Material Master Update: If you need to change the conversion factor, you may need to create a new material or change the UoM settings in a way that does not conflict with existing documents.
  Use Transaction Codes: Use transaction codes like MM02 to change the material master data, but ensure that you are not trying to change the conversion factor if it is locked.
  Consult with SAP Basis or Functional Team: If you are unsure about the implications of changing UoM settings, consult with your SAP Basis or functional team to understand the best approach without disrupting existing processes.
  
  Related Information:
  
  Unit of Measure (UoM): Understand the difference between sales UoM and base UoM, and how they are defined in the material master.
  SAP Documentation: Refer to SAP Help documentation for detailed information on managing UoM and conversion factors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the material master and UoM settings.
  
  By following these steps, you should be able to address the error message and manage the conversion factors appropriately.