How To Fix IAOM246 - Not all reference usages support changes to the controlling type

IAOM246 - Overview

• Message type: E = Error

• Message class: IAOM - Account Assignment Manager Messages

• Message number: 246

• Message text: Not all reference usages support changes to the controlling type

What causes this issue?

The reference usages
o,,Additionally copy (B)
Copy and create additional account assignment (C)
Copy 1 to1 (D)
do not support changes to the controlling type

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?

This unsupported constellation may have resulted from setting up the
business scenario in transaction IAOM0 or by implementing the BADI
IAOM_PROCESS_CONTROL.
Contact the system administrator.

Procedure for System Administrators

Contact SAP Support.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IAOM246 - Not all reference usages support changes to the controlling type ?

  The SAP error message IAOM246, which states "Not all reference usages support changes to the controlling type," typically occurs in the context of controlling (CO) and internal order management within SAP. This error indicates that there is an attempt to change the controlling type of an object (like an internal order or cost center) that is referenced in a way that does not support such changes.
  
  Cause:
  
  Reference Usage: The object you are trying to change is being used in a way that does not allow for the change of its controlling type. For example, if the object is linked to certain transactions, reports, or other objects that expect a specific controlling type, changing it could lead to inconsistencies.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not lead to invalid or inconsistent data states. If the controlling type change would violate these rules, the system will prevent the