How To Fix GK651 - One or more cons groups have no assigned parent unit

SAP Error Message - Details

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 651

• Message text: One or more cons groups have no assigned parent unit

What causes this issue?

Every consolidation group must include at least one parent unit. The
following consolidation groups:
&V1&
do not have any parent units.

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?

Assign at least one consolidation unit as being the parent unit in each
of the consolidation groups listed above!

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GK651 - One or more cons groups have no assigned parent unit ?

  The SAP error message GK651, which states "One or more cons groups have no assigned parent unit," typically occurs in the context of Consolidation in SAP. This error indicates that there are consolidation groups (cons groups) that do not have a parent unit assigned to them, which is necessary for the consolidation process to function correctly.
  Cause:
  
  
  Missing Parent Unit Assignment: The primary cause of this error is that one or more consolidation groups have not been assigned a parent unit in the system. This can happen if the configuration for the consolidation groups is incomplete or if there have been changes in the organizational structure that have not been reflected in the system.
  
  
  Incorrect Configuration: If the consolidation groups were created or modified without properly linking them to a parent unit, this error can occur.
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the hierarchy, it may lead to inconsistencies in the parent-child relationships.
  
  
  Solution:
  
  
  Check Consolidation Group Configuration:
  
  Navigate to the consolidation group settings in SAP.
  Verify that each consolidation group has a valid parent unit assigned. You can do this by going to the relevant transaction (e.g., transaction code GC01 for creating a consolidation group or GC02 for changing it).
  If any groups are missing a parent unit, assign the appropriate parent unit.
  
  
  
  Review Organizational Structure:
  
  Ensure that the organizational structure is correctly defined and that all necessary units and groups are properly linked.
  If there have been recent changes to the organizational structure, update the consolidation groups accordingly.
  
  
  
  Run Consistency Checks:
  
  Use the consistency check tools available in SAP to identify any inconsistencies in the consolidation setup. This can help pinpoint any other issues that may need to be addressed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing consolidation groups and their parent-child relationships.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and making necessary adjustments, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as GC01, GC02, GC03 (for managing consolidation groups) and GCR1 (for consolidation reporting).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to consolidation groups and their configurations.
  
  By following these steps, you should be able to resolve the GK651 error and ensure that your consolidation groups are correctly configured within SAP.