How To Fix SMT_CONFIG122 - A change structure is not yet specified

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT_CONFIG - Configuration message class

• Message number: 122

• Message text: A change structure is not yet specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT_CONFIG122 - A change structure is not yet specified ?

  The SAP error message SMT_CONFIG122 indicates that a change structure has not been specified in the context of the SAP Landscape Transformation (SLT) replication configuration. This error typically arises when you are trying to configure or manage data replication settings in SLT, and the system requires a change structure to be defined for the replication process.
  Cause:
  The error occurs due to one of the following reasons:
  
  Missing Change Structure: The change structure has not been defined in the configuration settings for the specific table or data object you are trying to replicate.
  Incorrect Configuration: The configuration might be incomplete or incorrectly set up, leading to the system not recognizing the change structure.
  Technical Issues: There may be underlying technical issues or inconsistencies in the SLT configuration.
  
  Solution:
  To resolve the SMT_CONFIG122 error, you can follow these steps:
  
  
  Define Change Structure:
  
  Go to the SLT configuration transaction (usually LTMOM or LTMC).
  Navigate to the relevant table or data object that is causing the error.
  Ensure that a change structure is defined for the object. If it is not defined, you will need to create one.
  
  
  
  Check Configuration:
  
  Review the SLT configuration settings to ensure that all required parameters, including the change structure, are correctly set.
  Make sure that the source and target systems are properly connected and configured.
  
  
  
  Reconfigure Replication:
  
  If necessary, you may need to delete the existing configuration for the table and reconfigure it from scratch, ensuring that you specify the change structure during the setup process.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for SLT to understand the requirements for defining change structures and the replication process.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes or improvements related to SLT.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance. They can provide more specific guidance based on your system configuration and version.
  
  
  
  Related Information:
  
  SLT (SAP Landscape Transformation): A tool used for real-time data replication from SAP and non-SAP sources to SAP HANA or other target systems.
  Change Structures: These are data structures that define how changes to data are captured and replicated in SLT.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMOM (for managing SLT configurations) and LTMC (for data migration cockpit).
  
  By following these steps, you should be able to resolve the SMT_CONFIG122 error and successfully configure your SLT replication settings.