How To Fix CNV_PE_CHECK126 - Order number &1 used several times for same parameter mapping combination

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK - Check Framework messages for posting engine

• Message number: 126

• Message text: Order number &1 used several times for same parameter mapping combination

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK126 - Order number &1 used several times for same parameter mapping combination ?

  The SAP error message CNV_PE_CHECK126 indicates that there is a duplicate order number being used for the same parameter mapping combination in a conversion process. This typically occurs during data migration or transformation processes, particularly when using SAP's Conversion Tools or Data Migration tools.
  Cause:
  
  Duplicate Entries: The error is primarily caused by having multiple entries with the same order number for a specific parameter mapping. This can happen if the data being processed has been incorrectly prepared or if there are multiple mappings defined for the same order number.
  Configuration Issues: There may be issues in the configuration of the mapping parameters, leading to conflicts.
  Data Integrity Issues: The source data may contain duplicates or inconsistencies that are not being handled correctly.
  
  Solution:
  
  Identify Duplicates: Review the mapping configuration and the data being processed to identify where the duplicates are occurring. You can do this by checking the relevant tables or logs that contain the mapping information.
  Correct the Mapping: Once duplicates are identified, you need to either remove the duplicate entries or adjust the mapping so that each order number is unique for the given parameter combination.
  Data Cleansing: If the source data is causing the issue, perform data cleansing to ensure that there are no duplicate order numbers for the same parameter mapping.
  Review Configuration: Check the configuration settings in the conversion tool to ensure that they are set up correctly and that there are no conflicting mappings.
  Testing: After making the necessary changes, run a test to ensure that the error does not occur again.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), or SE80 (Object Navigator) to analyze the relevant tables and mappings.
  Logs and Traces: Check the logs generated during the conversion process for more detailed information about where the error is occurring.
  SAP Notes: Look for relevant SAP Notes that may provide additional insights or patches related to this error message.
  Documentation: Review the documentation for the specific conversion tool you are using, as it may provide additional context or troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a specialist who has experience with data migration and conversion processes in SAP.