How To Fix CUX1026 - An error occurred when determining the structure master data

SAP Error Message - Details

• Message type: E = Error

• Message class: CUX1 -

• Message number: 026

• Message text: An error occurred when determining the structure master data

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 CUX1026 - An error occurred when determining the structure master data ?

  The SAP error message CUX1026, which states "An error occurred when determining the structure master data," typically occurs in the context of cross-application functionalities, particularly when dealing with master data related to structures in SAP systems. This error can arise due to various reasons, including configuration issues, missing data, or inconsistencies in the master data.
  Causes:
  
  Missing or Incomplete Master Data: The structure master data may not be fully defined or may be missing in the system.
  Configuration Issues: Incorrect configuration settings in the relevant modules (like SAP CATS, Project System, or others) can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the structure master data.
  Data Inconsistencies: There may be inconsistencies or errors in the data that prevent the system from retrieving the required information.
  System Bugs or Issues: Occasionally, bugs in the SAP system or specific patches may lead to unexpected errors.
  
  Solutions:
  
  Check Master Data: Verify that the structure master data is correctly defined and complete. Ensure that all required fields are filled out.
  Review Configuration: Check the configuration settings related to the module you are working with. Ensure that all necessary settings are correctly configured.
  User Authorizations: Ensure that the user encountering the error has the appropriate authorizations to access the structure master data.
  Data Consistency Check: Run consistency checks on the master data to identify and rectify any inconsistencies.
  SAP Notes and Patches: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. Applying the latest patches can sometimes resolve unexpected issues.
  Debugging: If you have access to technical resources, consider debugging the process to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access or modify master data (e.g., CATS, CJ20N for Project System).
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review the relevant SAP documentation for the module you are working with to understand the requirements for structure master data.
  
  By following these steps, you should be able to identify the cause of the CUX1026 error and implement a suitable solution.