How To Fix /PLMI/AL_GSS_R2MR_SU015 - Synchronization unit has no change number mapping in status Not Aligned

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/AL_GSS_R2MR_SU -

• Message number: 015

• Message text: Synchronization unit has no change number mapping in status Not Aligned

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/AL_GSS_R2MR_SU015 - Synchronization unit has no change number mapping in status Not Aligned ?

  The SAP error message /PLMI/AL_GSS_R2MR_SU015 indicates that there is an issue with the synchronization unit in the context of the Advanced Logistics Solutions (AL) module, specifically related to change number mapping. The error message states that the synchronization unit has no change number mapping in the status "Not Aligned." 
  Cause:
  
  Change Number Mapping Missing: The synchronization unit does not have a corresponding change number mapping, which is necessary for the system to understand how to synchronize the data.
  Status Issues: The synchronization unit is in a "Not Aligned" status, which means that it is not properly aligned with the expected data or configuration.
  Configuration Errors: There may be configuration issues in the AL module or related settings that prevent the proper mapping of change numbers.
  Data Inconsistencies: There could be inconsistencies in the data that are causing the synchronization unit to fail in finding the appropriate change number.
  
  Solution:
  
  Check Change Number Mapping: Verify that the change number mapping exists for the synchronization unit in question. You may need to create or update the mapping if it is missing.
  Align the Synchronization Unit: Ensure that the synchronization unit is properly aligned. This may involve checking the configuration settings and ensuring that all necessary data is in place.
  Review Configuration Settings: Go through the configuration settings in the AL module to ensure that everything is set up correctly. Look for any discrepancies or missing configurations that could lead to this error.
  Data Consistency Check: Perform a data consistency check to identify any inconsistencies that may be causing the issue. This may involve running specific reports or transactions to validate the data.
  Consult Documentation: Refer to SAP documentation or notes related to the AL module and synchronization units for any specific guidance or troubleshooting steps.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may have additional insights or patches that can resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE80 (Object Navigator), or specific AL-related transactions.
  SAP Notes: Search for SAP Notes related to the error message or the AL module for any known issues and fixes.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.