How To Fix CNV_IUUC_REPLICATION305 - Connection parameters to the initial load system deleted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 305

• Message text: Connection parameters to the initial load system deleted

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_REPLICATION305 - Connection parameters to the initial load system deleted ?

  The SAP error message CNV_IUUC_REPLICATION305 indicates that the connection parameters to the initial load system have been deleted. This error typically occurs in the context of data replication processes, particularly when using SAP Landscape Transformation (SLT) for data replication from a source system to a target system.
  Cause:
  The error can be caused by several factors, including:
  
  Manual Deletion: The connection parameters may have been manually deleted or modified in the SLT configuration.
  System Changes: Changes in the system landscape, such as system upgrades or migrations, may have led to the loss of connection parameters.
  Configuration Issues: Incorrect configuration settings or incomplete setup of the SLT replication process can lead to this error.
  Authorization Issues: Lack of proper authorizations for the user executing the replication process may prevent access to the connection parameters.
  
  Solution:
  To resolve the CNV_IUUC_REPLICATION305 error, you can follow these steps:
  
  
  Check SLT Configuration:
  
  Go to the SLT configuration transaction (usually LTRC).
  Verify that the connection parameters for the source system are correctly set up.
  If they are missing, you will need to reconfigure the connection to the initial load system.
  
  
  
  Recreate Connection Parameters:
  
  If the connection parameters were deleted, you may need to recreate them.
  Ensure that you provide the correct connection details, including the hostname, system number, client, user, and password.
  
  
  
  Review System Logs:
  
  Check the SLT logs for any additional error messages or warnings that might provide more context about the issue.
  Look for any recent changes in the system that might have affected the SLT configuration.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the replication has the necessary authorizations to access the SLT configuration and the source system.
  
  
  
  Restart Replication:
  
  After making the necessary changes, restart the replication process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for SLT and data replication for any specific guidelines or troubleshooting steps related to your version of SAP.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the official SAP documentation for Landscape Transformation for best practices and configuration guidelines.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage SAP support for further assistance.