How To Fix CNV40107015 - All logical system present in TBDLS are assigned in mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV40107 - Package 40107 - Logical System

• Message number: 015

• Message text: All logical system present in TBDLS are assigned in mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV40107015 - All logical system present in TBDLS are assigned in mapping ?

  The SAP error message CNV40107015 indicates that all logical systems present in the TBDLS (Table for Logical System) are already assigned in the mapping process. This error typically occurs during data migration or system conversion processes, particularly when using SAP's Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  
  Logical System Assignment: The error suggests that the logical systems you are trying to map have already been assigned to other mappings. This can happen if:
  
  You are attempting to create a new mapping for a logical system that is already in use.
  There is a misconfiguration in the mapping setup.
  The logical systems in the TBDLS table are fully utilized, and no additional mappings can be created.
  
  
  
  Configuration Issues: There may be issues with the configuration of the logical systems or the mapping process itself, leading to this error.
  
  
  Solution:
  
  
  Review Existing Mappings: Check the existing mappings in your system to see if the logical systems you are trying to use are already assigned. You can do this by:
  
  Accessing the relevant transaction codes (like LTMC for Migration Cockpit or LTMOM for Migration Object Modeler) to view the mappings.
  Identifying if the logical systems are already in use and if they can be reused or need to be modified.
  
  
  
  Modify or Delete Existing Mappings: If you find that the logical systems are already assigned and you need to use them for a new mapping:
  
  Consider modifying the existing mapping if it is no longer needed.
  Delete the mapping if it is not required, freeing up the logical system for new assignments.
  
  
  
  Check Configuration: Ensure that the configuration for logical systems is correct. This includes:
  
  Verifying that the logical systems are correctly defined in the system.
  Ensuring that there are no duplicate entries or misconfigurations in the TBDLS table.
  
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or troubleshooting steps provided by SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it through the above steps, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and the context of the error.
  
  
  Related Information:
  
  TBDLS Table: This table contains the logical system definitions used in various SAP processes, including data migration.
  Data Migration Tools: Familiarize yourself with the tools you are using for data migration, such as SAP Data Services, SLT, or the Migration Cockpit, as they may have specific requirements or limitations regarding logical system assignments.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.