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

PP031 - Overview

• 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