How To Fix DLCN118 - Only select records that have not been matched (yellow traffic light)

SAP Error Message - Details

• Message type: E = Error

• Message class: DLCN - DELCON : System Messages for DC / Days'Collective Dely Note

• Message number: 118

• Message text: Only select records that have not been matched (yellow traffic light)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DLCN118 - Only select records that have not been matched (yellow traffic light) ?

  The SAP error message DLCN118, which states "Only select records that have not been matched," typically occurs in the context of the SAP system when dealing with data selection processes, particularly in the area of data reconciliation or data matching. This message is often associated with the Data Lifecycle Management (DLM) or similar modules where records are being processed for matching or reconciliation.
  Cause:
  The error message DLCN118 indicates that the system is trying to process records that have already been matched or processed in a previous step. This can happen due to several reasons:
  
  Duplicate Selection: The user may have selected records that have already been matched in a prior run.
  Incorrect Filters: The selection criteria used to filter records may not be set correctly, leading to the inclusion of matched records.
  Data Integrity Issues: There may be issues with the data integrity where records are not being updated correctly after matching.
  
  Solution:
  To resolve the DLCN118 error, you can take the following steps:
  
  
  Review Selection Criteria: Ensure that the selection criteria used to filter records are set correctly. Make sure to include only those records that have not been matched.
  
  
  Check Matched Records: Review the records that have already been matched. You can do this by querying the database or using the appropriate transaction codes to view matched records.
  
  
  Adjust Processing Logic: If you are using a custom program or report, ensure that the logic correctly identifies unmatched records. You may need to modify the code to exclude matched records.
  
  
  Run a New Selection: After adjusting the selection criteria, run the selection process again to ensure that only unmatched records are processed.
  
  
  Consult Documentation: If you are unsure about the selection criteria or the process, refer to the SAP documentation or help resources related to the specific module you are working with.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you view matched and unmatched records, such as SE16 (Data Browser) or specific DLM transaction codes.
  Data Management Best Practices: Implement best practices for data management to avoid issues with data integrity and matching in the future.
  User Training: Ensure that users involved in data selection and processing are adequately trained on the system and understand how to set selection criteria correctly.
  
  By following these steps, you should be able to resolve the DLCN118 error and ensure that only unmatched records are selected for processing.