How To Fix REBDOA028 - Not possible to assign object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: REBDOA - Messages for Object Relationships

• Message number: 028

• Message text: Not possible to assign object &1

What causes this issue?

Two are two possible cases:
If the object was already assigned to an object group, then you can only
assign the object to different object group.
If the object was already assigned without any relationship to an object
group, then you can only assign it again with an assignment to an object
group.

System Response

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

How to fix this error?

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 REBDOA028 - Not possible to assign object &1 ?

  The SAP error message REBDOA028, which states "Not possible to assign object &1," typically occurs in the context of SAP Real Estate Management (RE) or related modules when there is an issue with assigning a specific object, such as a property, contract, or other business object.
  Causes:
  
  Object Status: The object you are trying to assign may be in a status that does not allow for assignments. For example, it could be locked, archived, or in a status that prohibits changes.
  Authorization Issues: The user may not have the necessary authorizations to perform the assignment for the specified object.
  Configuration Issues: There may be configuration settings in the system that prevent the assignment of the object.
  Data Integrity Issues: There could be inconsistencies or missing data related to the object that prevent it from being assigned.
  Business Rules: Certain business rules or validations may be preventing the assignment based on the current state of the object or related objects.
  
  Solutions:
  
  Check Object Status: Verify the status of the object you are trying to assign. Ensure it is in a state that allows for assignments. If it is locked or archived, you may need to unlock or unarchive it.
  Review Authorizations: Ensure that the user attempting the assignment has the necessary authorizations. You may need to consult with your SAP security team to verify and adjust user roles if necessary.
  Configuration Review: Check the configuration settings related to the object assignment in the SAP system. This may involve reviewing customizing settings in the relevant modules.
  Data Validation: Ensure that all required data for the object is complete and correct. Look for any missing or inconsistent data that could be causing the issue.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional insights or known issues.
  Debugging: If you have access to technical resources, consider debugging the process to identify the exact point of failure and the underlying cause.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE37 (Function Module), or SE80 (Object Navigator).
  Community Forums: Consider reaching out to SAP community forums or user groups for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.