How To Fix RSTT0402 - Cannot serialize hierarchy &1 for characteristic &2

RSTT0402 - Overview

• Message type: E = Error

• Message class: RSTT0 - Trace Tool: Message Class Engine Layer

• Message number: 402

• Message text: Cannot serialize hierarchy &1 for characteristic &2

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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RSTT0402 - Details

• The SAP error message RSTT0402, which states "Cannot serialize hierarchy &1 for characteristic &2," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the serialization of a hierarchy associated with a characteristic. This can happen during data loading, reporting, or when trying to manipulate hierarchies in the system.
  Causes:
  
  Hierarchy Structure Issues: The hierarchy might be incorrectly defined or corrupted. This can include missing nodes, circular references, or inconsistencies in the hierarchy structure.
  Data Inconsistencies: There may be inconsistencies in the data that the hierarchy is based on, such as missing or invalid entries.
  Authorization Issues: The user may not have the necessary authorizations to access or manipulate the hierarchy.
  Technical Issues: There could be technical issues related to the database or the BW system itself, such as memory issues or problems with the underlying data model.
  
  Solutions:
  
  Check Hierarchy Definition: Review the hierarchy definition in the SAP BW system.