How To Fix CNV_IUUC_REPLICATION017 - Check wrong for DDIC Structure &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 017

• Message text: Check wrong for DDIC Structure &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION017 - Check wrong for DDIC Structure &1 ?

  The SAP error message CNV_IUUC_REPLICATION017 typically indicates an issue related to the Data Dictionary (DDIC) structure during the replication process in the context of SAP Landscape Transformation (SLT) or SAP Data Services. This error suggests that there is a mismatch or inconsistency in the structure of the data being replicated.
  Cause:
  
  Inconsistent Data Structure: The structure of the source table in the source system does not match the expected structure in the target system.
  Changes in DDIC: If there have been recent changes to the Data Dictionary (like adding or removing fields) in the source system, and these changes have not been replicated or updated in the target system.
  Replication Configuration Issues: Incorrect configuration settings in the SLT or replication setup can lead to this error.
  Transport Issues: If the transport of changes from the development environment to the production environment was not successful, it could lead to discrepancies.
  
  Solution:
  
  Check Data Structure: Verify the structure of the source table in the source system and ensure it matches the expected structure in the target system. You can do this by comparing the Data Dictionary definitions in both systems.
  Update Replication Settings: If there have been changes in the source system, update the replication settings in SLT to reflect these changes. This may involve reinitializing the replication for the affected tables.
  Recreate the Replication: If the issue persists, consider stopping the replication for the affected table, deleting the existing replication configuration, and then recreating it.
  Check SLT Logs: Review the SLT logs for any additional error messages or warnings that could provide more context about the issue.
  Transport Changes: Ensure that all necessary changes have been transported correctly to the target system. If there are discrepancies, transport the missing changes.
  Consult Documentation: Refer to SAP Notes and documentation related to SLT and replication for any specific guidance or known issues related to this error.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the official SAP documentation for SAP Landscape Transformation for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.