How To Fix CM_MDQLTYRULEMINING013 - Duplicate field name found in field selection

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDQLTYRULEMINING - Messages for Rule Mining Run

• Message number: 013

• Message text: Duplicate field name found in field selection

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 CM_MDQLTYRULEMINING013 - Duplicate field name found in field selection ?

  The SAP error message CM_MDQLTYRULEMINING013 indicates that there is a duplicate field name in the field selection for a quality rule in the context of data mining or data quality management. This error typically arises when you are trying to define a set of fields for a quality rule, and one or more fields have been specified more than once.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that the same field has been added multiple times to the field selection list for a quality rule.
  Incorrect Configuration: There may be a misconfiguration in the data quality rule setup, leading to the inclusion of the same field.
  Data Model Issues: If the data model or structure has been altered, it might lead to confusion in field names, causing duplicates.
  
  Solution:
  
  Review Field Selection: Go through the field selection for the quality rule and ensure that each field is unique. Remove any duplicates.
  Check Configuration: Verify the configuration settings for the quality rule to ensure that fields are being selected correctly.
  Field Naming Conventions: If you are working with custom fields or have recently modified field names, ensure that there are no naming conflicts.
  Testing: After making changes, test the quality rule again to ensure that the error has been resolved.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for data quality management and data mining to understand the context and requirements for field selection.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the error and successfully configure your quality rule without duplicates in the field selection.