How To Fix /CFG/DSY_DS064 - &1 relevancy expression classes deleted for dataset &2

/CFG/DSY_DS064 - Overview

• Message type: E = Error

• Message class: /CFG/DSY_DS -

• Message number: 064

• Message text: &1 relevancy expression classes deleted for dataset &2

Self-Explanatory Message

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/CFG/DSY_DS064 - Details

• The SAP error message /CFG/DSY_DS064 indicates that relevancy expression classes have been deleted for a specific dataset. This error typically arises in the context of SAP's Data Services or similar data management tools, where relevancy expressions are used to determine the importance or relevance of data within a dataset.
  
  Cause:
  
  
  Deletion of Relevancy Expression Classes: The primary cause of this error is that the relevancy expression classes associated with the specified dataset have been deleted. This could happen due to:
  
  Manual deletion by a user.
  Changes in the configuration or structure of the dataset.
  Migration or upgrade processes that may have inadvertently removed these classes.
  
  
  
  
  Configuration Issues: There may be issues in the configuration settings of the dataset or the relevancy expressions that lead to this error.
  
  
  Data Model Changes: If there have been changes to the data model or the underlying database schema, it may result in the loss of associated relevancy expressions.
  
  
  
  Solution:
  
  
  Restore Deleted Classes: If