How To Fix SLMP_RT257 - DC_SET &1 uses wrong navigation (Exp: &2 Act: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: SLMP_RT - SL Protocol Runtime Message Class

• Message number: 257

• Message text: DC_SET &1 uses wrong navigation (Exp: &2 Act: &3)

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 SLMP_RT257 - DC_SET &1 uses wrong navigation (Exp: &2 Act: &3) ?

  The SAP error message SLMP_RT257 indicates that there is a navigation issue in the context of a data collection or reporting process. Specifically, the error message states that a certain data set (DC_SET) is using the wrong navigation path. The placeholders &1, &2, and &3 represent specific values related to the error, such as the data set name, expected navigation, and actual navigation, respectively.
  Cause:
  
  Incorrect Configuration: The data collection set may be incorrectly configured, leading to a mismatch between the expected and actual navigation paths.
  Data Model Changes: Changes in the underlying data model or structure may have resulted in the navigation paths being altered, causing the error.
  User Error: The user may have selected an incorrect option or navigated incorrectly within the application.
  System Bugs: There may be bugs or issues within the SAP system that are causing the navigation paths to be misinterpreted.
  
  Solution:
  
  Check Configuration: Review the configuration of the data collection set (DC_SET) to ensure that it is set up correctly. Verify that the navigation paths are correctly defined.
  Review Data Model: If there have been recent changes to the data model, ensure that the navigation paths are updated accordingly. Consult with your SAP Basis or development team if necessary.
  Correct Navigation: Ensure that users are following the correct navigation paths as defined in the system. Provide training or documentation if needed.
  System Updates: Check for any available patches or updates for your SAP system that may address known issues related to navigation paths.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this specific error message.
  Debugging: If the issue persists, consider enabling debugging to trace the navigation logic and identify where the mismatch occurs.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version to understand the context of data collection sets and navigation paths.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Tickets: If the issue cannot be resolved internally, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify the cause of the SLMP_RT257 error and implement a solution to resolve it.