How To Fix REBDMS021 - There are no subobjects for comparison

SAP Error Message - Details

• Message type: E = Error

• Message class: REBDMS - Messages for Measurements

• Message number: 021

• Message text: There are no subobjects for comparison

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 REBDMS021 - There are no subobjects for comparison ?

  The SAP error message REBDMS021, which states "There are no subobjects for comparison," typically occurs in the context of the SAP Real Estate Management (RE) module, particularly when dealing with the comparison of objects or subobjects in the system.
  Cause:
  This error usually arises when the system is trying to perform a comparison operation (such as comparing rental agreements, contracts, or other related objects) but cannot find any subobjects associated with the main object being compared. This can happen due to several reasons:
  
  Missing Subobjects: The main object may not have any associated subobjects defined in the system.
  Incorrect Object Type: The object type being compared may not support subobjects, or the comparison is being attempted on an incorrect object.
  Data Inconsistency: There may be inconsistencies or issues in the data that prevent the system from recognizing the subobjects.
  Configuration Issues: The configuration settings for the object types or the comparison process may not be set up correctly.
  
  Solution:
  To resolve the REBDMS021 error, you can take the following steps:
  
  
  Check Object and Subobject Relationships:
  
  Verify that the main object you are trying to compare has the necessary subobjects defined. You can do this by navigating to the relevant transaction or using the object management tools in SAP.
  
  
  
  Review Configuration Settings:
  
  Ensure that the configuration for the object types and their relationships is correctly set up. This may involve checking the customizing settings in the SAP IMG (Implementation Guide).
  
  
  
  Data Consistency Check:
  
  Run data consistency checks to identify any issues with the data that may be causing the error. This can include checking for missing entries or incorrect data in the database.
  
  
  
  Use Transaction Codes:
  
  Utilize relevant transaction codes (like RECN for contract management) to navigate to the specific objects and check their details.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the objects you are working with and the expected relationships.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific version of SAP you are using and any known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Review training materials or documentation related to SAP Real Estate Management to better understand object relationships and configurations.
  
  By following these steps, you should be able to identify the cause of the REBDMS021 error and implement a solution to resolve it.