How To Fix MW566 - Sales unit and EAN for plant & and material & could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 566

• Message text: Sales unit and EAN for plant & and material & could not be determined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW566 - Sales unit and EAN for plant & and material & could not be determined ?

  The SAP error message MW566 indicates that the system is unable to determine the sales unit and the European Article Number (EAN) for a specific plant and material. This error typically arises in scenarios involving sales and distribution processes, particularly when trying to process sales orders, deliveries, or inventory management.
  Causes of Error MW566
  
  
  Missing Master Data: The most common cause is that the material master data is incomplete. Specifically, the sales unit or EAN may not be defined for the material in the relevant plant.
  
  
  Incorrect Configuration: There may be issues with the configuration settings in the material master or sales organization settings.
  
  
  Plant-Specific Data: The material may not be set up correctly for the specific plant you are working with. Each plant can have different settings for materials.
  
  
  Sales Organization Data: The sales organization data for the material might be missing or incorrectly configured.
  
  
  Material Type Restrictions: Certain material types may have restrictions on how they can be sold or managed, which could lead to this error.
  
  
  Solutions to Error MW566
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the sales views (Sales Org Data 1 and Sales Org Data 2).
  Ensure that the sales unit and EAN are correctly defined for the relevant plant.
  
  
  
  Maintain Sales Unit and EAN:
  
  If the sales unit or EAN is missing, you can maintain it using transaction code MM02 (Change Material) and navigate to the appropriate views to enter the required data.
  
  
  
  Verify Plant Assignment:
  
  Ensure that the material is assigned to the correct plant and that all necessary data is maintained for that plant.
  
  
  
  Check Sales Organization Data:
  
  Verify that the sales organization data is complete and correctly configured for the material.
  
  
  
  Review Configuration Settings:
  
  If you have access, check the configuration settings in SPRO related to sales and distribution to ensure that everything is set up correctly.
  
  
  
  Consult with Your SAP Team:
  
  If you are unable to resolve the issue, consult with your SAP support team or functional consultant, as they may have additional insights or access to system logs that can help diagnose the problem.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  MM01: Create Material
  VK11: Create Condition Records (if pricing is involved)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation related to material management and sales and distribution for best practices in maintaining master data.
  
  
  By following these steps, you should be able to identify and resolve the cause of the MW566 error in SAP.