How To Fix SLMP_RT256 - DC_SET &1 uses wrong structure (Exp: &2 Act: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: SLMP_RT - SL Protocol Runtime Message Class

• Message number: 256

• Message text: DC_SET &1 uses wrong structure (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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLMP_RT256 - DC_SET &1 uses wrong structure (Exp: &2 Act: &3) ?

  The SAP error message SLMP_RT256 indicates that there is a mismatch between the expected structure and the actual structure being used in a specific context. This error typically arises in the context of data processing or data transfer, where the system expects a certain data structure but receives a different one.
  Cause:
  The error message SLMP_RT256 occurs due to the following reasons:
  
  Data Structure Mismatch: The data structure defined in the system does not match the structure of the data being processed. This can happen if there have been changes to the data model or if the data being sent does not conform to the expected format.
  Configuration Issues: Incorrect configuration settings in the system can lead to the use of the wrong data structure.
  Versioning Issues: If there are different versions of the data structure being used across different systems (e.g., development, testing, production), this can lead to inconsistencies.
  Custom Development: If there are custom developments or enhancements that modify the expected data structures, this can also lead to this error.
  
  Solution:
  To resolve the SLMP_RT256 error, you can take the following steps:
  
  
  Check Data Structures: Verify the expected data structure (Exp: &2) and the actual data structure (Act: &3) being used. Ensure that they match in terms of fields, data types, and lengths.
  
  
  Review Configuration: Check the configuration settings related to the data processing or transfer. Ensure that the correct data structure is being referenced in the configuration.
  
  
  Update Data Model: If there have been changes to the data model, ensure that all relevant components are updated to reflect these changes. This may involve updating custom programs or configurations.
  
  
  Test in Development: If you are working in a development environment, test the changes thoroughly before moving to production. Ensure that the data structures are consistent across all environments.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with. There may be known issues or additional guidance available.
  
  
  Debugging: If the issue persists, consider debugging the process to identify where the mismatch is occurring. This may involve looking at the code or configuration that is generating the data.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context to help them assist you effectively.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check transaction codes related to data processing, such as SE11 (Data Dictionary), SE80 (Object Navigator), or others relevant to your specific scenario.
  SAP Notes: Search for SAP Notes related to SLMP_RT256 or similar error messages in the SAP Support Portal for additional insights or patches.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the SLMP_RT256 error in your SAP system.