How To Fix SAPLWSAO018 - Supplier is determined by the system

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWSAO - Messages for SAP Retail Store Store Order

• Message number: 018

• Message text: Supplier is determined by the system

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 SAPLWSAO018 - Supplier is determined by the system ?

  The SAP error message "SAPLWSAO018 Supplier is determined by the system" typically occurs in the context of purchasing or procurement processes within SAP. This message indicates that the system has automatically determined a supplier for a particular transaction, and it may not align with the user's expectations or requirements.
  Cause:
  
  Automatic Supplier Determination: The system uses predefined criteria (like material, plant, or purchasing group) to automatically select a supplier based on the configuration in the system.
  Master Data Configuration: The supplier master data or material master data may be set up in a way that leads to automatic supplier selection.
  Business Rules: There may be business rules or conditions defined in the system that dictate how suppliers are selected, which could override manual input.
  
  Solution:
  
  
  Review Supplier Determination Settings:
  
  Check the configuration settings for automatic supplier determination in the purchasing module. This can be found in the customizing settings under Materials Management (MM) > Purchasing > Supplier Evaluation.
  
  
  
  Manual Supplier Selection:
  
  If you need to select a different supplier, ensure that the relevant fields are editable and that you have the necessary authorizations to change the supplier.
  You may need to adjust the settings or conditions that are causing the system to automatically select a supplier.
  
  
  
  Check Master Data:
  
  Review the supplier master data and material master data to ensure that they are set up correctly. Look for any inconsistencies or missing information that could affect supplier determination.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on supplier determination processes and configurations.
  
  
  
  User Training:
  
  Ensure that users are trained on how the supplier determination process works and how to manually override it if necessary.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to supplier determination.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to address the error message and ensure that the supplier determination process aligns with your business needs.