How To Fix FPB_PERSONALIZATION177 - Circular hierarchy references are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FPB_PERSONALIZATION - Personalization

• Message number: 177

• Message text: Circular hierarchy references are not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FPB_PERSONALIZATION177 - Circular hierarchy references are not allowed ?

  The SAP error message FPB_PERSONALIZATION177 indicates that there is a circular hierarchy reference in the personalization settings of the SAP system. This typically occurs when a hierarchy structure is defined in such a way that it loops back on itself, creating a situation where a node references itself either directly or indirectly through other nodes.
  Cause:
  
  Circular Reference: The most common cause is that the hierarchy has been defined incorrectly, where a parent node is also a child node of itself, either directly or through other nodes.
  Data Entry Error: During the creation or modification of the hierarchy, an error may have been made in assigning parent-child relationships.
  System Configuration: Sometimes, the configuration settings in the system may lead to unintended circular references.
  
  Solution:
  
  Review Hierarchy Structure: Check the hierarchy structure in the personalization settings. Look for any nodes that may be referencing themselves or creating a loop.
  Correct Relationships: Modify the hierarchy to ensure that no node is a parent of itself. This may involve changing the parent-child relationships to eliminate the circular reference.
  Use Hierarchy Tools: Utilize any available tools or transaction codes in SAP that can help visualize the hierarchy and identify circular references.
  Testing: After making changes, test the hierarchy to ensure that the error no longer occurs and that the hierarchy functions as intended.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on setting up hierarchies correctly.
  
  Related Information:
  
  Transaction Codes: Depending on your SAP version, you may use transaction codes like RSH1 (for InfoObjects) or RSH2 (for Hierarchies) to manage and review hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy management that may address this error.
  Support: If the issue persists after attempting to resolve it, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the circular hierarchy reference issue in your SAP system.