How To Fix CNV_IUUC_REPLICATION121 - Source system not available; user &1 confirmed they want to proceed

CNV_IUUC_REPLICATION121 - Overview

• Message type: E = Error

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

• Message number: 121

• Message text: Source system not available; user &1 confirmed they want to proceed

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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CNV_IUUC_REPLICATION121 - Details

• The SAP error message CNV_IUUC_REPLICATION121 indicates that the source system is not available for data replication, and it prompts the user to confirm whether they want to proceed despite this issue. This error typically arises in the context of SAP Landscape Transformation (SLT) replication scenarios, where data is being replicated from a source system (like an SAP ERP system) to a target system (like SAP HANA).
  
  Cause:
  
  Source System Unavailability: The most common cause is that the source system is down or not reachable due to network issues, maintenance, or other operational problems.
  
  Configuration Issues: There may be misconfigurations in the SLT setup, such as incorrect connection parameters or missing authorizations.
  User Confirmation: The message indicates that the user has confirmed their intention to proceed, which may lead to data inconsistencies if the source system is indeed unavailable.
  
  
  Solution:
  
  Check Source System Status: Verify that the source system is up and running. Check for any downtime