How To Fix COM_HIERARCHY105 - Application &1 cannot be assigned manually

COM_HIERARCHY105 - Overview

• Message type: E = Error

• Message class: COM_HIERARCHY - Hierarchy

• Message number: 105

• Message text: Application &1 cannot be assigned manually

What causes this issue?

The application &V1& is set automatically when the <LS>Configuration
Hierarchy</> indicator is set in the <LS>Maintain Categories and
Hierarchies</> function (transaction COMM_HIERARCHY) in Customizing.

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?

Do not maintain the application <LS>Configuration</> manually.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

COM_HIERARCHY105 - Details

• The SAP error message COM_HIERARCHY105 indicates that a specific application (usually a cost center, internal order, or similar object) cannot be assigned manually to a hierarchy. This typically occurs in the context of SAP Controlling (CO) or other modules that utilize hierarchical structures for reporting or planning.
  
  Cause:
  The error can arise due to several reasons:
  
  Hierarchy Structure: The application you are trying to assign may not be compatible with the hierarchy structure you are working with. For example, if the hierarchy is set up to only allow certain types of objects, and you are trying to assign an object that does not meet those criteria, this error will occur.
  Authorization Issues: The user may not have the necessary authorizations to perform the assignment.
  Hierarchy Status: The hierarchy may be in a status that does not allow manual assignments (e.g., it may be locked or in a closed period).
  Configuration Settings: There may be specific configuration