How To Fix KJ309 - Create line IDs of category "Costs" when defining assignment rules

SAP Error Message - Details

• Message type: E = Error

• Message class: KJ - Cost Object Controlling for Make-to-Order Production

• Message number: 309

• Message text: Create line IDs of category "Costs" when defining assignment rules

What causes this issue?

A <DS:GLOS.line_ID>line ID</> must be assigned to
<DS:DE.KATEGORIE>category</> "K" if you are performing any of the
following functions:
Revenue-based results analysis
Quantity-based results analysis
Results analysis on the basis of earned values
Inventory determination
<DS:GLOS.WIP_calculation>WIP calculation</>

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?

Go into Customizing in the update and assign line IDs to categories.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KJ309 - Create line IDs of category "Costs" when defining assignment rules ?

  The SAP error message KJ309, which states "Create line IDs of category 'Costs' when defining assignment rules," typically occurs in the context of defining assignment rules for cost allocation in SAP Controlling (CO) module. This error indicates that the system expects you to create line IDs for cost elements that are necessary for the assignment rules to function correctly.
  Cause:
  
  Missing Line IDs: The error usually arises when the assignment rules are being defined without the necessary line IDs for cost elements. Line IDs are required to specify how costs should be allocated or assigned in the system.
  Configuration Issues: There may be a configuration issue in the assignment rules setup, where the system is unable to find the required line IDs for the cost category.
  Incorrect Settings: The settings for the cost element or the assignment rules may not be correctly defined, leading to this error.
  
  Solution:
  To resolve the KJ309 error, you can follow these steps:
  
  
  Create Line IDs:
  
  Navigate to the relevant configuration area in SAP where you define assignment rules.
  Ensure that you create the necessary line IDs of category "Costs." This can typically be done in the configuration settings for the assignment rules.
  Go to the transaction code OKB9 (for defining assignment rules) and check if the line IDs are defined correctly.
  
  
  
  Check Existing Line IDs:
  
  Review the existing line IDs to ensure they are correctly set up and associated with the appropriate cost elements.
  If line IDs are missing, create them as needed.
  
  
  
  Review Assignment Rules:
  
  Go through the assignment rules you are trying to define and ensure that they reference the correct line IDs.
  Make sure that the rules are set up to allocate costs properly based on the defined line IDs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed guidance on setting up assignment rules and line IDs.
  
  
  
  Testing:
  
  After making the necessary changes, test the assignment rules to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OKB9 (for assignment rules) and OKB2 (for cost element master data).
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  User Roles: Ensure that you have the necessary authorizations to create or modify line IDs and assignment rules in the system.
  Training: If you are new to SAP CO, consider training or resources that cover cost allocation and assignment rules in detail.
  
  By following these steps, you should be able to resolve the KJ309 error and successfully define your assignment rules in SAP.