How To Fix RESCSH051 - Settlement unit &2 is assigned to master settlement unit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RESCSH - Error Messages When Creating Settlement Hierarchy

• Message number: 051

• Message text: Settlement unit &2 is assigned to master settlement unit &1

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RESCSH051 - Settlement unit &2 is assigned to master settlement unit &1 ?

  The SAP error message RESCSH051 indicates that a settlement unit (in this case, identified as &2) is already assigned to a master settlement unit (identified as &1). This situation typically arises in the context of settlement management in SAP, particularly in the Real Estate Management (RE-FX) module or similar areas where settlement units are used.
  Cause:
  The error occurs when you attempt to assign a settlement unit to a master settlement unit that is already linked to another settlement unit. This can happen due to:
  
  Duplicate Assignment: The settlement unit is already assigned to a different master settlement unit.
  Incorrect Configuration: There may be a configuration issue in the system that allows for conflicting assignments.
  Data Integrity Issues: There may be inconsistencies in the database or data entries that lead to this error.
  
  Solution:
  To resolve the RESCSH051 error, you can take the following steps:
  
  
  Check Current Assignments:
  
  Use transaction codes like REIS or REIS1 to check the current assignments of the settlement unit and the master settlement unit.
  Verify if the settlement unit is indeed assigned to another master settlement unit.
  
  
  
  Reassign Settlement Units:
  
  If the settlement unit is assigned to another master settlement unit, you will need to either:
  
  Remove the existing assignment before assigning it to the new master settlement unit.
  Choose a different settlement unit that is not currently assigned.
  
  
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP system to ensure that the assignment rules for settlement units are correctly set up.
  Consult with your SAP Basis or configuration team if necessary.
  
  
  
  Data Consistency Check:
  
  Run data consistency checks to ensure that there are no underlying issues in the database that could be causing this error.
  Use transaction codes like SE11 to check the database tables related to settlement units.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to settlement management for any specific guidelines or updates that may address this issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as REIS, REIS1, and others related to settlement management.
  SAP Notes: Check for any SAP Notes that may provide additional insights or patches related to this error.
  User Roles: Ensure that you have the necessary authorizations to make changes to settlement unit assignments.
  
  By following these steps, you should be able to identify the cause of the RESCSH051 error and implement a solution to resolve it.