How To Fix CNV_IUUC_REPLICATION175 - Action not possible; an update is running in the source system

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 175

• Message text: Action not possible; an update is running in the source system

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_REPLICATION175 - Action not possible; an update is running in the source system ?

  The SAP error message CNV_IUUC_REPLICATION175 indicates that an action cannot be performed because an update is currently running in the source system. This error is typically encountered in the context of data replication processes, particularly when using SAP Landscape Transformation (SLT) for real-time data replication.
  Cause:
  The error occurs when:
  
  There is an ongoing update or transaction in the source system that is locking the data or the table that the replication process is trying to access.
  The SLT replication process is attempting to read or replicate data while the source system is busy processing updates, which can lead to data inconsistencies or conflicts.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Active Updates:
  
  Identify if there are any long-running transactions or updates in the source system. You can use transaction codes like SM50 (to check active processes) or SM66 (to check processes across the system) to monitor the system's activity.
  
  
  
  Wait for Completion:
  
  If you find that there are ongoing updates, you may need to wait until these processes complete. Once the updates are finished, the replication process should be able to proceed without issues.
  
  
  
  Review SLT Configuration:
  
  Ensure that the SLT configuration is set up correctly. Check the settings related to the replication process and make sure that they align with the operational requirements of your source system.
  
  
  
  Adjust Replication Settings:
  
  If the issue persists, consider adjusting the replication settings to minimize conflicts. This may involve scheduling replication during off-peak hours or configuring the SLT to handle updates more efficiently.
  
  
  
  Monitor System Performance:
  
  Regularly monitor the performance of both the source and target systems to identify any bottlenecks or issues that could lead to such conflicts in the future.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or updates related to this error message. There may be specific patches or recommendations provided by SAP.
  
  
  
  Related Information:
  
  SLT Replication: SAP Landscape Transformation is a tool used for real-time data replication from SAP and non-SAP systems to SAP HANA or other target systems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLT (for SLT configuration) and SM37 (for monitoring background jobs) to help diagnose and resolve issues.
  SAP Community: Engage with the SAP Community forums for insights and experiences shared by other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the CNV_IUUC_REPLICATION175 error and ensure smooth data replication processes.