How To Fix /SAPAPO/REPDUE020 - Currently no main supplier available

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/REPDUE -

• Message number: 020

• Message text: Currently no main supplier available

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/REPDUE020 - Currently no main supplier available ?

  The SAP error message /SAPAPO/REPDUE020 indicating "Currently no main supplier available" typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to find a main supplier for a specific product or material in the planning process. This can happen for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Missing Supplier Data: The main supplier for the material may not be defined in the system. This can happen if the supplier data has not been maintained or if the supplier has been deactivated.
  
  
  Incorrect Master Data: The material master or the supplier master data may not be correctly set up. This includes missing or incorrect entries in the relevant fields.
  
  
  Planning Area Configuration: The planning area may not be configured correctly to recognize the main supplier for the material.
  
  
  Product-Supplier Relationship: There may be no valid product-supplier relationship defined in the system, which is necessary for the planning process.
  
  
  Time Period Issues: The planning horizon may not include the time period for which the main supplier is required, leading to the error.
  
  
  Solutions:
  
  
  Check Supplier Data: Verify that the main supplier is correctly defined for the material in the supplier master data. Ensure that the supplier is active and has the necessary purchasing information.
  
  
  Maintain Material Master: Go to the material master record and check the purchasing view to ensure that the main supplier is assigned. If not, add the main supplier.
  
  
  Review Product-Supplier Relationships: Use transaction codes like /SAPAPO/LOC3 or /SAPAPO/PROD to check and maintain the product-supplier relationships. Ensure that the correct relationships are established.
  
  
  Check Planning Area Settings: Review the configuration of the planning area to ensure that it is set up to recognize the main supplier for the materials being planned.
  
  
  Adjust Planning Horizon: If the planning horizon is too narrow, consider extending it to include the necessary time periods for supplier availability.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on how to maintain supplier and material data.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/LOC3 (for location product data) and /SAPAPO/PROD (for product master data).
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address known issues.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and edit supplier and material data.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.