How To Fix WTY_VS018 - Key field not filled; it will be substituted

SAP Error Message - Details

• Message type: E = Error

• Message class: WTY_VS - Output of Rule Engine for Warranty (Val./Subst.)

• Message number: 018

• Message text: Key field not filled; it will be substituted

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 WTY_VS018 - Key field not filled; it will be substituted ?

  The SAP error message WTY_VS018 indicates that a key field required for processing is not filled, and as a result, the system will substitute it with a default value. This error typically occurs in the context of warranty management or service processing within SAP.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Data: A required key field in the warranty or service order is not populated. This could be due to user input errors or missing data in the master records.
  Configuration Issues: The system may not be properly configured to handle certain transactions, leading to missing key fields.
  Data Migration Issues: If data has been migrated from another system, some key fields may not have been transferred correctly.
  
  Solution:
  To resolve the WTY_VS018 error, you can take the following steps:
  
  
  Check Input Data: Review the transaction or document you are trying to process. Ensure that all required fields, especially key fields, are filled in correctly.
  
  
  Review Configuration: If you have access to the configuration settings, check the warranty management settings to ensure that all necessary fields are defined and that the system is set up correctly.
  
  
  Master Data Review: Verify that the master data (e.g., customer, material, warranty information) is complete and accurate. Missing or incorrect master data can lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help files related to warranty management to understand which fields are required for the specific transaction you are processing.
  
  
  Debugging: If you have access to technical resources, you can debug the transaction to identify which specific field is causing the issue.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to warranty management, such as IW21 (Create Notification) or IW31 (Create Order).
  SAP Notes: Check for any SAP Notes related to the error message WTY_VS018, as there may be patches or updates that address known issues.
  User Exits and BAdIs: If you are customizing your SAP environment, check if there are any user exits or BAdIs that might be affecting the behavior of key fields in warranty processing.
  
  By following these steps, you should be able to identify and resolve the issue causing the WTY_VS018 error in your SAP system.