How To Fix PROD_SUBSTN028 - Product and Plant cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: PROD_SUBSTN - Messages for Product Substitution

• Message number: 028

• Message text: Product and Plant cannot be changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PROD_SUBSTN028 - Product and Plant cannot be changed ?

  The SAP error message PROD_SUBSTN028 indicates that a product and plant combination cannot be changed in the context of a specific transaction or process. This error typically arises in scenarios involving product substitution, material master data changes, or during the creation of production orders or purchase orders.
  Cause:
  
  Data Integrity Constraints: The product and plant combination may be locked or restricted due to existing transactions or dependencies in the system.
  Configuration Settings: Certain configuration settings in the SAP system may prevent changes to the product or plant once they have been established.
  Status of the Product: The product may be in a status that does not allow changes (e.g., it may be marked as "locked" or "inactive").
  Dependencies: There may be existing dependencies or relationships with other materials, orders, or processes that prevent changes.
  
  Solution:
  
  Check Product Status: Verify the status of the product in the material master. Ensure that it is active and not locked for changes.
  Review Existing Transactions: Check if there are any open transactions (like production orders, purchase orders, etc.) that are using the product and plant combination. If so, you may need to complete or cancel those transactions before making changes.
  Consult Configuration Settings: Review the configuration settings related to product and plant combinations in the SAP system. Ensure that there are no restrictions preventing changes.
  Use Transaction Codes: Utilize relevant transaction codes (like MM02 for material master changes) to attempt to make the necessary changes. Ensure you have the appropriate authorizations.
  Check for Dependencies: Investigate any dependencies that may exist with other materials or processes. You may need to resolve these dependencies before making changes.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MM03 (Display Material), and CO01 (Create Production Order).
  Authorization Issues: Ensure that you have the necessary authorizations to make changes to the product and plant data.
  Documentation: Refer to SAP documentation or help files for more detailed information on the specific error message and related processes.
  User Forums: Check SAP community forums or user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.