How To Fix /CPD/CL_MSG159 - Parent object link is assigned multiple times

SAP Error Message - Details

• Message type: E = Error

• Message class: /CPD/CL_MSG -

• Message number: 159

• Message text: Parent object link is assigned multiple times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CPD/CL_MSG159 - Parent object link is assigned multiple times ?

  The SAP error message /CPD/CL_MSG159 Parent object link is assigned multiple times typically occurs in the context of SAP's Project Management or Project System modules, particularly when dealing with object links in a project structure. This error indicates that a parent object (such as a project or a work breakdown structure element) has been assigned multiple times to a child object, which is not allowed.
  
  Cause:
  
  Duplicate Assignments: The most common cause of this error is that the same parent object has been linked to a child object more than once. This can happen due to manual errors during data entry or through automated processes that incorrectly assign links.
  Data Integrity Issues: There may be inconsistencies in the database or issues with data integrity that lead to multiple assignments.
  
  Configuration Issues: Incorrect configuration settings in the project management module can also lead to this error.
  
  
  Solution:
  
  Check Assignments: Review the assignments of the parent object to