How To Fix REBDCA064 - &1 must not be assigned under &2

SAP Error Message - Details

• Message type: E = Error

• Message class: REBDCA - Messages for Master Data - General

• Message number: 064

• Message text: &1 must not be assigned under &2

What causes this issue?

You tried to assign object &V1& to an architectural object.
However, you already assigned usage object &V2& in the same period
and within the same architectural hierarchy.

System Response

These two objects cannot be assigned in this order in the
hierarchy.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message REBDCA064 - &1 must not be assigned under &2 ?

  The SAP error message REBDCA064 typically occurs in the context of the SAP Real Estate Management (RE) module, particularly when dealing with master data assignments. The message indicates that a specific object (like a business partner, property, or contract) is not allowed to be assigned to another object due to certain restrictions or rules defined in the system.
  Cause:
  The error message REBDCA064 usually arises due to one of the following reasons:
  
  
  Incorrect Assignment: The object you are trying to assign (e.g., a business partner) is not compatible with the target object (e.g., a property or contract) based on the configuration or business rules in your SAP system.
  
  
  Configuration Issues: There may be specific settings in the configuration of the Real Estate Management module that restrict certain assignments. This could be due to organizational rules, legal requirements, or system settings.
  
  
  Data Integrity Issues: There might be existing data integrity issues that prevent the assignment from being valid. For example, if the target object is already assigned to another incompatible object.
  
  
  Solution:
  To resolve the REBDCA064 error, you can take the following steps:
  
  
  Check Assignment Rules: Review the assignment rules and configurations in the SAP Real Estate Management module. Ensure that the object you are trying to assign is allowed to be assigned to the target object.
  
  
  Review Object Compatibility: Verify the compatibility of the objects involved in the assignment. Check if there are any restrictions or prerequisites that need to be met before the assignment can be made.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the Real Estate Management module for specific guidelines on object assignments.
  
  
  Data Cleanup: If there are data integrity issues, you may need to clean up the existing data or resolve conflicts that are causing the assignment to fail.
  
  
  Contact SAP Support: If you are unable to resolve the issue 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 data.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP RE, such as RECN (Contract Management), REIS (Investment Management), or REBD (Business Partner Management).
  SAP Notes: Check for any SAP Notes related to the error message REBDCA064, as they may provide additional context or solutions.
  User 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.