How To Fix KJ378 - Assign all costs of cost element & to line ID of category K

KJ378 - Overview

• Message type: E = Error

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

• Message number: 378

• Message text: Assign all costs of cost element & to line ID of category K

What causes this issue?

You can calculate <DS:GLOS.work_in_process>work in process</> for
<DS:GLOS.product_cost_collector>product cost collectors</> if the
product cost collector has a <DS:GLOS.results_analysis_key>results
analysis key</> with results analysis type <ZH>S</>
(<DS:GLOS.WIP_calculation>WIP calculation</> using
<DS:GLOS.target_costs>target costs</>).
To calculate work in process by period, the system valuates the
<DS:GLOS.WIP_quantity>WIP quantities</> confirmed at the reporting
points with the standard costs of the operation.
In your case, the system cannot valuate the work in process because
there are cost elements under which actual costs have been written that
are either not assigned to any line IDs or that are assigned to a line
ID that is not category <ZH>K</>. The line IDs under which the costs
are updated must be assigned to <DS:DE.KATEGORIE>category</> <ZH>K</>
(costs).

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 and check the following:
The assignment of the cost elements to line IDs
The categories of the line IDs (in the Update)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KJ378 - Assign all costs of cost element & to line ID of category K ?

  The SAP error message KJ378 indicates that there is an issue with the assignment of costs to a specific line item in a cost element. This error typically arises in the context of cost accounting, particularly when dealing with cost elements and their assignments in controlling (CO) modules.
  
  Cause:
  The error message KJ378 usually occurs due to one of the following reasons:
  
  Missing Assignment: The cost element in question has not been properly assigned to the line item category (K) in the configuration settings.
  Incorrect Configuration: The configuration for the cost element or the line item category may not be set up correctly in the system.
  Data Entry Issues: There may be issues with the data being entered, such as incorrect cost element or line item category.
  Cost Element Type: The cost element may not be of the correct type that can be assigned to the specified line item category.
  
  
  Solution:
  To resolve the KJ378 error, you can