How To Fix REBDOA020 - &1 is assigned to different objects in period &2 (input tax distribution)

REBDOA020 - Overview

• Message type: E = Error

• Message class: REBDOA - Messages for Object Relationships

• Message number: 020

• Message text: &1 is assigned to different objects in period &2 (input tax distribution)

What causes this issue?

For the system to be able to process input tax distribution for a
document with account assignment to a CO object (order, WBS element,
cost center), the CO object has to be uniquely assigned to one real
estate object. For this real estate object, an option rate method is
entered that is used to determine the option rate that is relevant for
the input tax distribution posting.

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?

Designate one of these assignments as the one that is applicable for the
input tax distribution (<ZK>Option Rate Relevant </> indicator).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

REBDOA020 - Details

• The SAP error message REBDOA020 indicates that a specific tax code (represented by &1) is assigned to different objects (such as cost centers, internal orders, or other accounting objects) within a specified period (represented by &2). This typically occurs in the context of input tax distribution, where the system is trying to allocate input tax amounts to various objects based on the tax code.
  
  Cause:
  
  Multiple Assignments: The tax code in question is assigned to multiple objects in the same period, which can lead to confusion in how the input tax should be distributed.
  
  Configuration Issues: There may be configuration issues in the tax code settings or in the way the input tax distribution is set up in the system.
  Data Entry Errors: Incorrect data entry or changes in the assignment of tax codes to objects can also trigger this error.
  
  
  Solution:
  
  Review Assignments: Check the assignments of the tax code to different objects in the