How To Fix CME_DTYPE056 - Value hierarchy: & cannot be its own predecessor

SAP Error Message - Details

• Message type: E = Error

• Message class: CME_DTYPE - CME Data Type: Checks

• Message number: 056

• Message text: Value hierarchy: & cannot be its own predecessor

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CME_DTYPE056 - Value hierarchy: & cannot be its own predecessor ?

  The SAP error message CME_DTYPE056, which states "Value hierarchy: & cannot be its own predecessor," typically occurs in the context of working with value hierarchies in SAP, particularly when defining or maintaining hierarchies for characteristics in the SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems.
  Cause:
  This error arises when there is an attempt to create a hierarchy where a node is incorrectly set as its own predecessor. In a hierarchical structure, each node (or value) should have a parent (predecessor) that is different from itself. If you try to set a node to point to itself as its predecessor, the system will throw this error because it violates the basic rules of hierarchy.
  Solution:
  To resolve this error, you should:
  
  
  Check the Hierarchy Definition: Review the hierarchy definition for the characteristic in question. Ensure that no node is set to be its own predecessor.
  
  
  Correct the Node Relationships: If you find that a node is incorrectly defined, change its predecessor to a valid node that is not itself. 
  
  
  Validate the Hierarchy: After making changes, validate the hierarchy to ensure that all nodes are correctly defined and that there are no circular references or self-references.
  
  
  Recreate the Hierarchy: If the hierarchy is complex and difficult to troubleshoot, consider recreating it from scratch, ensuring that each node is correctly defined.
  
  
  Use Transaction Codes: You can use transaction codes like RSH1 (for creating hierarchies) or RSH2 (for changing hierarchies) to manage your hierarchies effectively.
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for more details on managing value hierarchies and characteristics.
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy management.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar cases.
  
  By following these steps, you should be able to resolve the CME_DTYPE056 error and successfully manage your value hierarchies in SAP.