How To Fix CNV_IUUC_REPLICATION238 - Suspending Replication

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 238

• Message text: Suspending Replication

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION238 - Suspending Replication ?

  The SAP error message CNV_IUUC_REPLICATION238 indicates that the replication process has been suspended. This error typically occurs in the context of SAP Landscape Transformation (SLT) replication, which is used to replicate data from a source system to a target system in real-time.
  Causes:
  
  Network Issues: Temporary network disruptions can cause the replication process to suspend.
  Database Locking: If there are locks on the database tables that are being replicated, it can lead to suspension.
  Configuration Issues: Incorrect configuration settings in the SLT system can lead to replication problems.
  Resource Limitations: Insufficient resources (CPU, memory, etc.) on the SLT server or the source/target systems can cause replication to suspend.
  Data Conflicts: Conflicts in the data being replicated, such as primary key violations or data type mismatches, can also lead to suspension.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the source and target systems. Test the connection and resolve any connectivity problems.
  Review Logs: Check the SLT logs for detailed error messages that can provide insights into why the replication was suspended. Look for logs in transaction SLT or SLT Monitor.
  Release Locks: If database locks are causing the issue, identify and release those locks. You can use database tools or transaction codes (like SM12 for SAP) to check for and release locks.
  Adjust Configuration: Review the SLT configuration settings to ensure they are correct. This includes checking the replication settings and ensuring that the source and target systems are properly configured.
  Monitor System Resources: Check the resource usage on the SLT server and the source/target systems. If resources are low, consider optimizing performance or scaling up the resources.
  Resolve Data Conflicts: Investigate any data conflicts that may be causing the suspension. Ensure that the data being replicated adheres to the constraints and requirements of the target system.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SLT, SLT Monitor, and SM21 (System Log) to monitor and troubleshoot replication issues.
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Refer to the official SAP documentation for SLT for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.