How To Fix LTR2_RN055 - Mapping mode changed from '&1' to '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_RN - LTR2 RN: Message class

• Message number: 055

• Message text: Mapping mode changed from '&1' to '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_RN055 - Mapping mode changed from '&1' to '&2' ?

  The SAP error message LTR2_RN055 indicates that there has been a change in the mapping mode for a specific process or configuration. This message typically arises in the context of SAP Landscape Transformation (SLT) or data replication scenarios, where the mapping of data fields or structures is crucial for the successful transfer of data between systems.
  Cause:
  The error message is triggered when the mapping mode for a data object or field is altered from one state to another. This can happen due to various reasons, such as:
  
  Manual changes in the configuration settings.
  Changes in the source or target data structures.
  Updates or modifications in the SLT configuration.
  Changes in the underlying database schema that affect how data is mapped.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration Settings:
  
  Review the SLT configuration settings to ensure that the mapping mode is set correctly. You can do this in the SLT configuration transaction (e.g., LTRC).
  
  
  
  Review Mapping Rules:
  
  Examine the mapping rules defined for the data transfer. Ensure that they are consistent and correctly defined for the source and target systems.
  
  
  
  Consistency Check:
  
  Perform a consistency check on the data model to identify any discrepancies between the source and target structures.
  
  
  
  Reapply Mapping:
  
  If necessary, reapply the mapping settings or regenerate the mapping to ensure that the changes are correctly reflected.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to SLT and data mapping for any specific guidance or known issues related to this error.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve underlying issues related to the error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the context in which it occurred.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the official SAP documentation for Landscape Transformation to understand the mapping modes and their implications.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.