How To Fix RERAOP045 - Account assignment object does not agree w/ automatically derived objects

RERAOP045 - Overview

• Message type: E = Error

• Message class: RERAOP - Message Class for One-Time Posting

• Message number: 045

• Message text: Account assignment object does not agree w/ automatically derived objects

What causes this issue?

The account assignment object entered is <ZH>not</> in agreement with
the account assignment objects that were derived automatically. However,
the indicator for mandatory derivation is set for the line item. In that
case, account assignment can only be made to automatically derivable
objects.

System Response

The posting cannot be made.

How to fix this error?

Check the account assignment.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

RERAOP045 - Details

• The SAP error message RERAOP045 indicates that there is a mismatch between the account assignment object and the automatically derived objects in a transaction. This typically occurs in the context of financial postings, where the system expects certain account assignment details to align but finds discrepancies.
  
  Cause:
  
  Mismatch in Account Assignment: The account assignment object (like cost center, internal order, or project) does not match the derived objects that the system has automatically assigned based on the configuration or the data entered.
  
  Configuration Issues: There may be issues in the configuration of the account assignment objects in the system, such as incorrect settings in the controlling area or the assignment of cost elements.
  Data Entry Errors: Incorrect data entry during the transaction can lead to mismatches. For example, if a user manually enters an account assignment that does not correspond to the derived objects.
  Missing Master Data: The required master data (like cost centers or