How To Fix KE/AD603 - Item &1 of billing document &2 cannot be posted

SAP Error Message - Details

• Message type: E = Error

• Message class: KE/AD -

• Message number: 603

• Message text: Item &1 of billing document &2 cannot be posted

What causes this issue?

Item &v1& of billing document &v2& cannot be posted to CO-PA because it
has already been assigned to an order or project.

System Response

The billing item was not posted to CO-PA.

How to fix this error?

Billing documents that have been assigned to an order or project must
be posted to CO-PA using order and project settlement.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE/AD603 - Item &1 of billing document &2 cannot be posted ?

  The SAP error message KE/AD603 indicates that there is an issue with posting an item from a billing document to the CO (Controlling) module. Specifically, the error message states that the item cannot be posted due to various potential reasons. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Missing or Incorrect CO Assignment: The billing document item may not have a valid assignment to a cost object (like a cost center, internal order, or project).
  Incorrect Configuration: The configuration settings for the controlling area or the relevant account assignment may not be set up correctly.
  Document Type Issues: The document type of the billing document may not be allowed for posting in the CO module.
  Currency Issues: There may be currency conversion issues if the billing document is in a different currency than what is expected in the CO module.
  Closed Periods: The posting period may be closed, preventing any new postings to CO.
  Missing Master Data: Required master data (like cost centers or internal orders) may be missing or inactive.
  
  Solutions:
  
  Check CO Assignment: Verify that the billing document item has a valid CO assignment. You can do this by checking the billing document in the SAP system and ensuring that all necessary fields are filled correctly.
  Review Configuration: Ensure that the configuration for the controlling area and account assignments is correct. This may involve checking the settings in transaction codes like OKEQ (for controlling area settings) or OKEE (for account assignment).
  Document Type Validation: Check if the document type used for the billing document is configured to allow postings to CO. This can be done in the configuration settings for billing documents.
  Currency Check: Ensure that the currency used in the billing document is compatible with the CO settings. If necessary, perform currency conversion or adjust the document.
  Open Posting Period: Check the posting periods in the CO module to ensure that the period for the billing document is open. You can do this in transaction code OB52.
  Master Data Verification: Ensure that all required master data is available and active. This includes checking cost centers, internal orders, and any other relevant objects.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  VF03: Display Billing Document
  KSB1: Report on Cost Centers
  OB52: Maintain Posting Periods
  OKEQ: Controlling Area Settings
  
  
  SAP Notes: Check for any SAP Notes related to this error message for specific patches or updates that may address known issues.
  Documentation: Review SAP documentation for billing and CO integration to understand the expected configurations and processes.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP's support portal for further assistance.