How To Fix CNV_IUUC_DB_CONN123 - Parallel replication fields for table &1 have been adjusted to field &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 123

• Message text: Parallel replication fields for table &1 have been adjusted to field &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN123 - Parallel replication fields for table &1 have been adjusted to field &2 ?

  The SAP error message CNV_IUUC_DB_CONN123 typically relates to issues encountered during the process of data replication, particularly in the context of SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is a mismatch or adjustment in the parallel replication fields for a specific table.
  Cause:
  
  Field Mismatch: The error usually arises when there is a discrepancy between the source and target tables in terms of the fields being replicated. This can happen if the structure of the source table has changed (e.g., fields added, removed, or modified) after the initial configuration.
  Configuration Issues: Incorrect configuration settings in the SLT or data replication setup can lead to this error. This includes settings related to parallel processing or field mapping.
  Data Type Changes: Changes in data types of fields in the source table can also trigger this error, as the replication process may not be able to handle the new data types correctly.
  
  Solution:
  
  Check Table Structure: Verify the structure of the source table and ensure that it matches the expected structure in the target system. If there have been changes, you may need to adjust the replication settings accordingly.
  Adjust Configuration: Review the SLT configuration settings for the affected table. Ensure that the parallel replication settings are correctly configured and that all necessary fields are included in the replication process.
  Reinitialize Replication: If the issue persists, consider reinitializing the replication for the affected table. This may involve stopping the replication, making necessary adjustments, and then restarting the process.
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or specific fixes related to this error message.
  Monitor Logs: Review the SLT logs for more detailed error messages or warnings that could provide further context on the issue.
  
  Related Information:
  
  SAP SLT Documentation: Familiarize yourself with the SAP Landscape Transformation documentation for best practices and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the problem cannot be resolved through the above steps, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to identify the root cause of the CNV_IUUC_DB_CONN123 error and implement a suitable solution.