How To Fix SIC_DUPL_RULESET021 - Line &1: Key column definitions &2 shall not be added to ruleset

SAP Error Message - Details

• Message type: E = Error

• Message class: SIC_DUPL_RULESET - Rulesets for ICM Duplicate Check

• Message number: 021

• Message text: Line &1: Key column definitions &2 shall not be added to ruleset

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 SIC_DUPL_RULESET021 - Line &1: Key column definitions &2 shall not be added to ruleset ?

  The SAP error message SIC_DUPL_RULESET021 typically occurs in the context of defining or modifying rulesets in the SAP system, particularly when working with data validation or data quality rules. This error indicates that there is an attempt to add key column definitions to a ruleset that are already defined, which is not allowed.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Key Columns: You are trying to add key columns to a ruleset that already contains those key columns. Each key column should be unique within a ruleset.
  Incorrect Configuration: There may be a misconfiguration in the ruleset where the same key column is being referenced multiple times.
  Data Model Issues: The underlying data model may have constraints that prevent the addition of duplicate key columns.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Key Columns:
  
  Review the current configuration of the ruleset to identify which key columns are already defined.
  Ensure that