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

KJ309 - Overview

• 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