How To Fix DPR_OBJ_LINK020 - You can only use operative object links for specific object types

DPR_OBJ_LINK020 - Overview

• Message type: E = Error

• Message class: DPR_OBJ_LINK - Messages for Object Links

• Message number: 020

• Message text: You can only use operative object links for specific object types

What causes this issue?

The operative object link is only available if the interface
<NP>IF_DPR_OBL_OPERATIVE</> is implemented by the proxy class assigned
to the object type (for example, <NP>0PLANTMATERIAL</>). You can view
the proxy class in the <LS>Details</> of the object type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DPR_OBJ_LINK020 - You can only use operative object links for specific object types ?

  The SAP error message DPR_OBJ_LINK020 indicates that there is an issue with the type of object link you are trying to create in the SAP system, specifically within the context of project management or project-related objects. This error typically arises when you attempt to create an operative object link for an object type that does not support it.
  
  Cause:
  The error is caused by attempting to link an object (like a project, task, or resource) that is not compatible with the type of link you are trying to establish. In SAP, certain object types can only be linked in specific ways, and if you try to create an operative link for an object type that does not allow it, you will encounter this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Object Types: Verify the object types you are trying to link. Ensure that both the source and target objects