How To Fix UJ0_EXCEPTION122 - Failed to activate hierarchy &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UJ0_EXCEPTION - Basic Exception Messages

• Message number: 122

• Message text: Failed to activate hierarchy &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJ0_EXCEPTION122 - Failed to activate hierarchy &1 ?

  The SAP error message UJ0_EXCEPTION122, which indicates "Failed to activate hierarchy &1," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with activating a hierarchy in a characteristic. This can happen for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the hierarchy from being activated. This could include missing nodes or incorrect parent-child relationships.
  
  
  Hierarchy Structure Issues: The hierarchy structure might not be correctly defined, such as circular references or invalid node definitions.
  
  
  Authorization Issues: The user attempting to activate the hierarchy may not have the necessary authorizations to perform this action.
  
  
  Technical Issues: There could be technical issues related to the system, such as database locks or problems with the transport layer.
  
  
  Missing or Incorrect Master Data: The master data associated with the hierarchy may be incomplete or incorrect, leading