How To Fix KO423 - Order & / Substitution &

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 423

• Message text: Order & / Substitution &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KO423 - Order & / Substitution & ?

  The SAP error message KO423 typically relates to issues with order and substitution in the context of production orders or process orders. This error can occur in various scenarios, such as when trying to create, change, or display an order that has substitution elements involved.
  Cause:
  The KO423 error message usually indicates that there is a problem with the substitution logic or configuration in the system. Common causes include:
  
  Missing Substitution Configuration: The substitution rules or settings may not be properly defined in the system.
  Invalid or Inactive Substitutes: The substitutes defined in the system may be inactive or not valid for the specific order.
  Data Inconsistencies: There may be inconsistencies in the master data related to materials, BOMs (Bill of Materials), or routing.
  Order Status: The order may be in a status that does not allow for substitutions to be processed.
  
  Solution:
  To resolve the KO423 error, you can take the following steps:
  
  
  Check Substitution Configuration:
  
  Go to the transaction code for maintaining substitution (e.g., SPRO for configuration).
  Ensure that the substitution rules are correctly defined and active.
  
  
  
  Verify Material Master Data:
  
  Check the material master records for the materials involved in the order.
  Ensure that the substitutes are correctly defined and active.
  
  
  
  Review Order Status:
  
  Check the status of the order to ensure it is in a state that allows for substitutions.
  If necessary, change the order status to allow for modifications.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to substitution in production orders for specific guidance.
  
  
  
  Debugging:
  
  If the issue persists, consider using debugging tools to trace the error and identify the root cause.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order).
  SAP Notes: Check for any SAP Notes related to the KO423 error for specific patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the KO423 error in your SAP system.