How To Fix PP031 - Object ID selections have been deleted due to change in object type

SAP Error Message - Details

• Message type: E = Error

• Message class: PP -

• Message number: 031

• Message text: Object ID selections have been deleted due to change in object type

What causes this issue?

You have changed the object type on the selection screen from internal
to external or vice versa.

System Response

The selections for the object ID must be deleted owing to the different
formal structures of the two.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PP031 - Object ID selections have been deleted due to change in object type ?

  The SAP error message PP031 ("Object ID selections have been deleted due to change in object type") typically occurs in the context of production planning and control (PP) when there is a mismatch or inconsistency in the object types being used in a particular transaction or process. This error can arise in various scenarios, such as when you are trying to execute a planning run, create a production order, or perform other related activities.
  Cause:
  
  Change in Object Type: The error indicates that the object type for which you are trying to perform an operation has changed. For example, if you were previously working with a certain type of production order and the system has switched to a different type (e.g., from discrete to process order), the selections made for the previous object type may no longer be valid.
  Data Consistency Issues: If there are inconsistencies in the data or if the object IDs you are trying to use have been deleted or modified in a way that is incompatible with the current operation, this error can occur.
  Configuration Changes: Changes in configuration settings related to production planning or order management can also lead to this error.
  
  Solution:
  
  Check Object Type: Verify the object type you are working with and ensure that it matches the expected type for the operation you are trying to perform. If there has been a change, you may need to adjust your selections accordingly.
  Review Selections: If you have made selections for object IDs, review them to ensure they are still valid. You may need to reselect or recreate the object IDs based on the current object type.
  Data Consistency Check: Perform a consistency check on the relevant data. This may involve checking the database for any inconsistencies or missing entries related to the object IDs.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with. There may be specific guidelines or known issues that can help resolve the error.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may have additional insights or patches that can resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP PP, such as CO01 (Create Production Order), CO02 (Change Production Order), and MD01 (Planning Run).
  SAP Notes: Check for any SAP Notes related to the PP031 error message. SAP frequently releases notes that address specific issues and provide solutions or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the PP031 error in SAP.