How To Fix CNV_IUUC_REPLICATION007 - Connection unknown for mass transfer with ID &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 007

• Message text: Connection unknown for mass transfer with ID &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION007 - Connection unknown for mass transfer with ID &1 ?

  The SAP error message CNV_IUUC_REPLICATION007 indicates that there is an issue with the connection for mass transfer in the context of SAP Landscape Transformation (SLT) replication. This error typically arises when the system cannot identify or establish a connection to the source or target system for data replication.
  Cause:
  
  Incorrect Configuration: The connection settings for the source or target system may not be correctly configured in the SLT system.
  Network Issues: There may be network connectivity issues between the source and target systems.
  Missing or Incorrect RFC Destination: The Remote Function Call (RFC) destination may be missing or incorrectly set up in the SAP system.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations.
  Mass Transfer ID Issues: The mass transfer ID specified may not exist or may not be correctly set up in the system.
  
  Solution:
  
  
  Check Configuration:
  
  Verify the configuration settings for the SLT system, ensuring that the source and target systems are correctly defined.
  Check the settings in transaction LTRC (SLT Configuration) to ensure that the connection parameters are correct.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 and check the RFC destination used for the connection. Ensure that it is correctly configured and that the connection test is successful.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the source and target systems. You can use tools like ping or telnet to check connectivity.
  
  
  
  Check Authorizations:
  
  Ensure that the user used for the connection has the necessary authorizations to perform the replication tasks.
  
  
  
  Review Mass Transfer ID:
  
  Check if the mass transfer ID specified in the error message exists and is correctly set up. You can review the mass transfer settings in the SLT configuration.
  
  
  
  Logs and Traces:
  
  Review the SLT logs and traces for more detailed error messages that can provide additional context on the issue. You can check transaction SLG1 for application logs related to SLT.
  
  
  
  Related Information:
  
  SLT Documentation: Refer to the official SAP documentation for SLT for detailed configuration and troubleshooting steps.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_IUUC_REPLICATION007 error message.