How To Fix UPS190 - Key fields &1 used by the instance

SAP Error Message - Details

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 190

• Message text: Key fields &1 used by the instance

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 UPS190 - Key fields &1 used by the instance ?

  The SAP error message UPS190, which states "Key fields &1 used by the instance," typically occurs in the context of the SAP system when there is an issue related to the unique key fields of a database table or an instance of a data object. This error can arise in various scenarios, such as during data processing, updates, or when trying to delete or modify records.
  Cause:
  The error is generally caused by one of the following reasons:
  
  Key Field Conflict: The key fields specified in the error message are being used by an instance that is currently active or locked, preventing any modifications or deletions.
  Data Integrity Issues: There may be data integrity constraints that are violated, such as foreign key relationships that prevent the operation from being completed.
  Concurrency Issues: Another transaction or user may be accessing the same data, leading to a conflict.
  
  Solution:
  To resolve the UPS190 error, you can take the following steps:
  
  
  Check Active Instances: Identify if there are any active instances or transactions that are using the key fields mentioned in the error message. You may need to wait for these transactions to complete or terminate them if they are stuck.
  
  
  Review Data Locks: Use transaction codes like SM12 (for lock entries) to check if there are any locks on the key fields. If you find locks that are no longer needed, you can release them.
  
  
  Data Consistency Check: Ensure that the data integrity is maintained. Check for any foreign key relationships or dependencies that might be causing the issue. You may need to correct any inconsistencies in the data.
  
  
  Debugging: If you have access to debugging tools, you can analyze the program or transaction that triggered the error to understand the context better.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or module you are working with. There may be specific guidelines or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (system log), and ST22 (dump analysis) to help diagnose the issue.
  SAP Notes: Search for SAP Notes related to UPS190 in the SAP Support Portal, as there may be specific fixes or recommendations provided by SAP.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the UPS190 error and implement a solution to resolve it.