How To Fix /LTB/MC023 - Failed to read company codes from source system: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/MC -

• Message number: 023

• Message text: Failed to read company codes from source system: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LTB/MC023 - Failed to read company codes from source system: &1 ?

  The SAP error message /LTB/MC023 Failed to read company codes from source system: &1 typically occurs in the context of SAP Landscape Transformation (SLT) or data replication scenarios. This error indicates that the system is unable to retrieve company code information from the specified source system.
  Causes:
  
  Connection Issues: There may be a problem with the connection between the SLT system and the source system, such as network issues or incorrect configuration.
  Authorization Problems: The user credentials used for the connection may not have the necessary authorizations to read company code data from the source system.
  Data Model Configuration: The data model in SLT may not be correctly configured to include company codes, or the relevant tables may not be properly mapped.
  Source System Issues: The source system may be down, or there may be issues with the data in the source system that prevent it from being read.
  Technical Settings: There may be issues with the technical settings in the SLT configuration, such as incorrect RFC destination settings.
  
  Solutions:
  
  Check Connection: Verify the connection settings between the SLT system and the source system. Ensure that the RFC destination is correctly configured and that the source system is reachable.
  Review Authorizations: Ensure that the user used for the connection has the necessary authorizations to access company code data in the source system.
  Validate Data Model: Check the SLT data model configuration to ensure that company codes are included and that the relevant tables are correctly mapped.
  Monitor Source System: Check the status of the source system to ensure it is operational and that there are no issues with the data that could prevent it from being read.
  Check Logs: Review the SLT logs for any additional error messages or warnings that could provide more context about the issue.
  Technical Settings: Verify the technical settings in the SLT configuration, including the RFC destination and any other relevant parameters.
  
  Related Information:
  
  SLT Documentation: Refer to the official SAP documentation for SLT for detailed information on configuration and troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.