How To Fix /FTI/SERV_TECH_ERROR004 - Illegal property '&1' in key table

SAP Error Message - Details

• Message type: E = Error

• Message class: /FTI/SERV_TECH_ERROR -

• Message number: 004

• Message text: Illegal property '&1' in key table

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /FTI/SERV_TECH_ERROR004 - Illegal property '&1' in key table ?

  The SAP error message /FTI/SERV_TECH_ERROR004 Illegal property '&1' in key table typically indicates that there is an issue with the configuration or data in the key table related to the SAP Fiori or SAP S/4HANA system. This error can arise due to various reasons, such as incorrect property names, missing configurations, or issues with the underlying data model.
  Cause:
  
  Invalid Property Name: The property specified in the error message (&1) does not exist or is not recognized in the context of the key table.
  Configuration Issues: There may be a misconfiguration in the key table settings or the associated data model.
  Data Model Changes: If there have been recent changes to the data model or the underlying database structure, it may lead to inconsistencies.
  Transport Issues: If the system has recently undergone a transport of changes, it may not have been properly imported or activated.
  
  Solution:
  
  Check Property Name: Verify that the property name mentioned in the error message is correct and exists in the key table definition. Ensure that there are no typos or case sensitivity issues.
  Review Key Table Configuration: Go to the configuration settings for the key table and ensure that all properties are correctly defined and mapped.
  Data Model Validation: If there have been changes to the data model, validate that all changes have been properly implemented and that the key table is aligned with the current data model.
  Transport Management: If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Rebuild Indexes: In some cases, rebuilding the indexes related to the key table may resolve inconsistencies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the software you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.