How To Fix CO018 - Incorrect entry combination (check entries)

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 018

• Message text: Incorrect entry combination (check entries)

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO018 - Incorrect entry combination (check entries) ?

  The SAP error message CO018 ("Incorrect entry combination (check entries)") typically occurs in the context of controlling (CO) when there is an issue with the combination of entries made in a transaction related to cost centers, internal orders, or other controlling objects. This error can arise in various scenarios, such as during the posting of costs, creation of internal orders, or when executing reports.
  Causes of CO018 Error
  
  
  Invalid Combinations: The error often indicates that the combination of cost elements, cost centers, internal orders, or other controlling objects is not valid. This could be due to:
  
  The cost center or internal order not being active or not existing.
  The cost element not being assigned to the relevant controlling area.
  The combination of cost elements and cost centers not being allowed based on configuration.
  
  
  
  Missing Master Data: Required master data (like cost centers, internal orders, etc.) may be missing or incorrectly configured.
  
  
  Configuration Issues: There may be issues in the configuration of the controlling area, such as:
  
  Incorrect settings in the controlling area configuration.
  Missing or incorrect assignment of cost elements to cost centers.
  
  
  
  Posting Period Issues: The posting period may be closed, or the fiscal year may not be open for the entries being made.
  
  
  Solutions to CO018 Error
  
  
  Check Master Data: Verify that the cost center, internal order, and cost element exist and are active. Ensure that they are correctly set up in the system.
  
  
  Review Configuration: Check the configuration settings in the controlling area to ensure that the combinations of cost elements and cost centers are valid. This may involve:
  
  Reviewing the assignment of cost elements to cost centers.
  Ensuring that the controlling area is correctly configured.
  
  
  
  Validate Entries: Double-check the entries being made in the transaction. Ensure that all required fields are filled out correctly and that the combinations are valid.
  
  
  Open Posting Periods: Ensure that the posting period is open for the transaction you are trying to execute. If necessary, open the relevant posting period in the system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and its implications.
  
  
  Use Transaction Codes: Utilize transaction codes like KS01 (Create Cost Center), KO01 (Create Internal Order), and KA01 (Create Cost Element) to check and create the necessary master data.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing controlling objects, such as:
  
  KS01 - Create Cost Center
  KO01 - Create Internal Order
  KA01 - Create Cost Element
  KSB1 - Report: Actual Line Items for Cost Centers
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CO018 error.
  
  
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the actions related to controlling.
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP Controlling.