How To Fix U9139 - Material &1 plant &2 prod.vers. &3: Component &4 is a dummy assembly

SAP Error Message - Details

• Message type: E = Error

• Message class: U9 - Message Class for Output in Application Log

• Message number: 139

• Message text: Material &1 plant &2 prod.vers. &3: Component &4 is a dummy assembly

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message U9139 - Material &1 plant &2 prod.vers. &3: Component &4 is a dummy assembly ?

  The SAP error message U9139 indicates that there is an issue with a component in a bill of materials (BOM) that is classified as a "dummy assembly." This typically means that the component in question is not a valid or usable part in the context of the production version or the material being processed.
  Cause:
  
  Dummy Assembly: The component specified in the error message is marked as a dummy assembly in the system. Dummy assemblies are often used for planning purposes but do not represent actual materials that can be produced or procured.
  Incorrect BOM Configuration: The BOM may be incorrectly configured, leading to the inclusion of a dummy assembly instead of a valid component.
  Missing or Inactive Material: The material associated with the component may not be active, or it may not exist in the system.
  Production Version Issues: The production version being used may not be correctly set up to include valid components.
  
  Solution:
  
  Check BOM Configuration: Review the BOM for the material in question. Ensure that all components listed are valid and active materials. If a dummy assembly is present, replace it with the correct component.
  Review Production Version: Check the production version associated with the material. Ensure that it is correctly configured and that it includes valid components.
  Activate Materials: If the component is inactive, you may need to activate it in the material master data.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for handling dummy assemblies and BOM configurations.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team for further assistance.
  
  Related Information:
  
  BOM (Bill of Materials): A structured list of components that make up a product. It is essential for production planning and inventory management.
  Production Version: A specific configuration of a material that defines how it is produced, including the BOM and routing.
  Material Master: The central repository of information about materials in SAP, including their status (active/inactive) and other attributes.
  
  By addressing the underlying issues related to the dummy assembly, you should be able to resolve the error and proceed with your production planning or execution tasks.