How To Fix K5300 - Additional posting rows were selected by the system

K5300 - Overview

• Message type: E = Error

• Message class: K5 - CO Reconciliation Ledger

• Message number: 300

• Message text: Additional posting rows were selected by the system

What causes this issue?

The selection criteria you entered are not sufficient for the system to
be able to derive correct functional areas.

System Response

The system automatically selects the additional line items required.
For technical background information on this problem, see OSS note
number 168766.

Error message extract from SAP system. Copyright SAP SE.

K5300 - Details

• The SAP error message K5300, which states "Additional posting rows were selected by the system," typically occurs during the execution of a transaction related to cost accounting, such as when posting costs or executing a settlement. This message indicates that the system has identified additional rows of data that need to be processed, which may not have been anticipated in the original transaction.
  
  Cause:
  
  Data Inconsistency: The system may have detected inconsistencies in the data that require additional postings to ensure that all relevant costs are accounted for.
  
  Configuration Issues: There may be configuration settings in the controlling (CO) module that are not aligned with the expected behavior of the transaction.
  Master Data Issues: Problems with master data, such as cost centers, internal orders, or other related objects, can lead to unexpected additional postings.
  Transaction Logic: The logic of the transaction being executed may inherently require additional postings based on the business rules defined in