How To Fix PQ150 - The hierarchy level was created twice. One entry has been deleted.

SAP Error Message - Details

• Message type: E = Error

• Message class: PQ - HR-PD: Personnel Development

• Message number: 150

• Message text: The hierarchy level was created twice. One entry has been deleted.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PQ150 - The hierarchy level was created twice. One entry has been deleted. ?

  The SAP error message PQ150, which states "The hierarchy level was created twice. One entry has been deleted," typically occurs in the context of SAP's Product Lifecycle Management (PLM) or similar modules where hierarchical structures (like BOMs, routings, or other master data) are used.
  Cause:
  This error usually arises when there are duplicate entries in a hierarchy structure. For example, if you are trying to create or modify a hierarchy level (like a BOM or a routing) and the system detects that the same level has already been created, it will automatically delete one of the entries to maintain data integrity. This can happen due to:
  
  Data Entry Errors: Manual entry of the same hierarchy level multiple times.
  System Integration Issues: Data being imported or synchronized from another system that contains duplicates.
  User Actions: Users may inadvertently create the same hierarchy level while trying to make changes.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the hierarchy structure to identify any duplicate entries. You can do this by navigating to the relevant transaction or using reports that display the hierarchy levels.
  
  
  Delete Duplicates: If you find duplicates, delete the unnecessary entries manually. Ensure that you keep the correct or intended entry.
  
  
  Data Validation: Implement validation checks in your data entry processes to prevent duplicates from being created in the future.
  
  
  Review Integration Processes: If the issue arises from data imports or integrations, review the processes to ensure that they include checks for existing entries before creating new ones.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing hierarchy levels in your version of SAP.
  
  
  Contact SAP Support: If the issue persists or if you are unsure about how to proceed, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01, CS02, or CS03 for BOM management, or CA01, CA02, or CA03 for routing management, depending on your context.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on how to properly manage hierarchy levels to minimize the risk of creating duplicates.
  
  By following these steps, you should be able to resolve the PQ150 error and prevent it from occurring in the future.