How To Fix CNV_IUUC_REPLICATION077 - Table fields differ in replication and load sender system (table &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 077

• Message text: Table fields differ in replication and load sender system (table &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION077 - Table fields differ in replication and load sender system (table &1) ?

  The SAP error message CNV_IUUC_REPLICATION077 indicates that there is a mismatch between the table fields in the replication and load sender system for a specific table. This error typically occurs during the data replication process, particularly when using SAP Landscape Transformation (SLT) for real-time data replication from a source system to a target system.
  Cause:
  The error can be caused by several factors, including:
  
  Schema Changes: Changes in the structure of the source table (e.g., adding, removing, or modifying fields) that have not been reflected in the target system.
  Data Type Mismatches: Differences in data types or lengths of fields between the source and target systems.
  Inconsistent Table Definitions: The table definitions in the source and target systems may not be synchronized, leading to discrepancies.
  Replication Configuration Issues: Incorrect configuration settings in the SLT system that do not align with the source system's table structure.
  
  Solution:
  To resolve the CNV_IUUC_REPLICATION077 error, you can follow these steps:
  
  
  Check Table Structure:
  
  Compare the structure of the table in the source system and the target system. You can use transaction codes like SE11 (Data Dictionary) to view the table definitions.
  Ensure that the fields, data types, and lengths match between the two systems.
  
  
  
  Adjust Table Structure:
  
  If there are discrepancies, you may need to adjust the table structure in the target system to match the source system. This may involve adding or modifying fields.
  
  
  
  Reconfigure SLT:
  
  If the table structure has changed in the source system, you may need to reconfigure the SLT settings to ensure that the replication process is aware of the changes.
  You can do this by stopping the replication for the affected table, making the necessary adjustments, and then restarting the replication.
  
  
  
  Check SLT Logs:
  
  Review the SLT logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Perform a Full Load:
  
  In some cases, after making the necessary adjustments, you may need to perform a full data load to ensure that the data in the target system is consistent with the source system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to SLT and data replication for any specific guidelines or best practices.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SLT Monitoring (transaction LTRC), SLT Configuration (transaction LTRC).
  SAP Notes: Check for relevant SAP Notes that may address known issues or provide additional guidance on handling replication errors.
  SLT Documentation: Review the official SAP documentation for SAP Landscape Transformation for detailed information on configuration and troubleshooting.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_IUUC_REPLICATION077 error.