How To Fix MPE_MIGRATION_MSG051 - No routing exists with valid change states

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_MIGRATION_MSG -

• Message number: 051

• Message text: No routing exists with valid change states

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_MIGRATION_MSG051 - No routing exists with valid change states ?

  The SAP error message MPE_MIGRATION_MSG051 indicates that there is no routing available with valid change states for the material or production order you are trying to process. This error typically occurs during the migration or conversion processes, particularly when working with production planning and control (PP) modules.
  Cause:
  
  Missing Routing: The most common cause is that the routing for the material or production order is either missing or not properly defined in the system.
  Invalid Change States: The routing may exist, but it could be in a change state that is not valid for the operation you are trying to perform. For example, the routing might be in a "not active" state.
  Data Migration Issues: If you are migrating data from an older system or version, there may be inconsistencies or missing data in the routing information.
  Configuration Issues: There may be configuration settings in the system that prevent the routing from being recognized.
  
  Solution:
  
  Check Routing: Verify that the routing for the material or production order exists in the system. You can do this by navigating to the routing transaction (e.g., CA03) and checking if the routing is defined for the relevant material.
  Check Change States: Ensure that the routing is in a valid change state. If it is not active, you may need to activate it or change its status.
  Create or Update Routing: If the routing does not exist, you may need to create a new routing for the material. If it exists but is incorrect, you may need to update it.
  Data Migration Review: If this error occurred during a data migration process, review the migration logs and ensure that all necessary data was migrated correctly. You may need to re-import or correct the routing data.
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA03 (Display Routing), CA01 (Create Routing), and CA02 (Change Routing).
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message.
  Change Management: Understand the change management process in your organization to ensure that routing changes are properly documented and approved.
  Training: Ensure that users involved in production planning are trained on how to manage routings and understand the implications of change states.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.