How To Fix B1452 - The logical system & is ignored in any updates

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 452

• Message text: The logical system & is ignored in any updates

What causes this issue?

The logical system &V1& exists in the system. However, it was ignored
in the conversion.

How to fix this error?

Check whether it was correct for the logical system &V1& to be
ignored. If not, then please complete the allocations of the systems to
be converted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1452 - The logical system & is ignored in any updates ?

  The SAP error message B1452 indicates that a logical system is being ignored in updates due to certain conditions. This typically occurs in the context of data distribution or when working with multiple systems in a landscape (like Development, Quality Assurance, and Production).
  Cause:
  
  Logical System Configuration: The logical system may not be properly configured in the SAP system. This can happen if the logical system is not defined in the system or if it is not assigned correctly to the client.
  Transport Directory Issues: If the transport directory is not set up correctly, it can lead to issues with logical systems being recognized.
  Data Distribution Settings: The logical system may be excluded from updates due to settings in the data distribution model or due to specific configurations in the ALE (Application Link Enabling) settings.
  Client-Specific Settings: The logical system might be set to ignore updates for specific clients or scenarios.
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SE03 (Transport Organizer Tools) and check the logical system settings.
  Ensure that the logical system is defined in transaction SALE (ALE Distribution Model) and is correctly assigned to the client.
  
  
  
  Review ALE Settings:
  
  Use transaction WE20 to check the partner profiles and ensure that the logical system is included in the relevant distribution model.
  Verify that the necessary message types and filters are set up correctly.
  
  
  
  Transport Directory:
  
  Ensure that the transport directory is correctly configured and that the logical system is recognized in the transport landscape.
  
  
  
  Client Settings:
  
  Check if there are any client-specific settings that might be causing the logical system to be ignored. This can include settings in transaction SCC4 (Client Administration).
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using, as there may be version-specific considerations or patches that address this issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE03: Transport Organizer Tools
  SALE: ALE Distribution Model
  WE20: Partner Profiles
  SCC4: Client Administration
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or solutions for this error message.
  
  
  SAP Community: Engaging with the SAP Community forums can also provide insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the B1452 error and implement a solution to resolve it.