How To Fix CI_DRAFTPRD_MESSAGE578 - Sales unit not changeable since product used as production resource/tool

SAP Error Message - Details

• Message type: E = Error

• Message class: CI_DRAFTPRD_MESSAGE -

• Message number: 578

• Message text: Sales unit not changeable since product used as production resource/tool

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CI_DRAFTPRD_MESSAGE578 - Sales unit not changeable since product used as production resource/tool ?

  The SAP error message CI_DRAFTPRD_MESSAGE578 indicates that the sales unit of a product cannot be changed because the product is being used as a production resource or tool. This typically occurs in the context of production planning and inventory management within SAP.
  Cause:
  
  Product Usage: The product in question is defined as a production resource/tool (PRT) in the system. When a product is designated as a PRT, certain attributes, including the sales unit, become locked to maintain data integrity and consistency in production processes.
  Data Integrity: Changing the sales unit of a product that is actively used in production could lead to inconsistencies in inventory management, production planning, and sales processes.
  
  Solution:
  
  Review Product Usage: Check if the product is indeed being used as a PRT. If it is, you may need to assess whether it is necessary to change the sales unit.
  Remove PRT Assignment: If changing the sales unit is essential, you may need to remove the product's assignment as a PRT. This can typically be done in the product master data settings. However, be cautious, as this may affect production planning and execution.
  Consult with Stakeholders: Before making changes, consult with relevant stakeholders (e.g., production planners, inventory managers) to understand the implications of changing the sales unit.
  Use Alternative Products: If the sales unit must be changed for specific business reasons, consider creating a new product with the desired sales unit instead of modifying the existing one.
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for detailed instructions on managing product master data and PRTs.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material) and C223 (Assign PRTs) to manage product data effectively.
  User Roles: Ensure that you have the necessary authorizations to make changes to product master data and PRT assignments.
  Testing: If changes are made, conduct thorough testing in a development or quality assurance environment before applying changes to the production system.
  
  By following these steps, you should be able to address the error message and manage your product data effectively within SAP.