How To Fix KJ212 - Do not use line ID & 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: 212

• Message text: Do not use line ID & when defining assignment rules

What causes this issue?

Line ID $01 is used internally.

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?

Please choose another name for your line ID.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KJ212 - Do not use line ID & when defining assignment rules ?

  The SAP error message KJ212, which states "Do not use line ID & when defining assignment rules," typically occurs in the context of defining assignment rules for cost allocations or internal orders in SAP Controlling (CO) module. This error indicates that there is an issue with the line ID being used in the assignment rules.
  Cause:
  
  Invalid Line ID: The line ID specified in the assignment rules is not valid or is not recognized by the system.
  Incorrect Configuration: The assignment rules may have been configured incorrectly, leading to the use of a line ID that is not applicable for the intended purpose.
  System Restrictions: Certain line IDs may be restricted from being used in specific contexts or configurations within SAP.
  
  Solution:
  
  Check Line ID: Verify the line ID being used in the assignment rules. Ensure that it is valid and corresponds to the correct configuration in the system.
  Review Assignment Rules: Go through the assignment rules configuration to ensure that they are set up correctly. Make sure that the line IDs used are appropriate for the type of assignment you are trying to perform.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific assignment rules and line IDs that are permissible in your scenario.
  Adjust Configuration: If necessary, adjust the configuration of the assignment rules to use a valid line ID. This may involve changing the settings in the relevant customizing transactions (e.g., OKB9 for cost center allocation).
  Testing: After making changes, test the assignment rules to ensure that the error is resolved and that the allocation works as intended.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on assignment rules and line IDs.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OKB9 (Define Assignment Rules) and KSB1 (Cost Centers: Actual Line Items) to navigate and troubleshoot the issue effectively.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.