How To Fix CNV_IUUC_REPLICATION327 - SLT: Error in replication MT_ID &1, table &2.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 327

• Message text: SLT: Error in replication MT_ID &1, table &2.

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_REPLICATION327 - SLT: Error in replication MT_ID &1, table &2. ?

  The SAP error message CNV_IUUC_REPLICATION327 typically occurs in the context of SAP Landscape Transformation (SLT) replication. This error indicates that there is an issue with the replication of a specific table in the source system to the target system. The message provides two key pieces of information: MT_ID (the message type ID) and the table name (&2) that is experiencing the replication issue.
  Causes
  
  Data Consistency Issues: There may be inconsistencies in the data being replicated, such as missing primary keys or foreign key constraints that are not met.
  Configuration Issues: The SLT configuration might not be set up correctly, leading to replication failures.
  Network Issues: Temporary network issues can interrupt the replication process.
  Database Locking: The source or target database might have locks that prevent the replication from completing.
  Table Structure Changes: If the structure of the source table has changed (e.g., columns added or removed) after the initial configuration, it can lead to replication errors.
  Insufficient Authorizations: The user account used for replication may not have the necessary authorizations to access the data.
  
  Solutions
  
  Check SLT Configuration: Verify that the SLT configuration is correct and that the source and target systems are properly connected.
  Review Logs: Check the SLT logs for more detailed error messages that can provide insights into the specific issue. You can find logs in transaction SLT under the "Replication Monitor."
  Data Consistency Check: Ensure that the data in the source table is consistent and meets all constraints. You may need to clean up the data or fix any inconsistencies.
  Network Stability: Ensure that the network connection between the source and target systems is stable and that there are no interruptions.
  Database Locks: Check for any locks on the source or target database that might be preventing the replication. You can use database tools to identify and resolve locks.
  Adjust Authorizations: Ensure that the user account used for SLT replication has the necessary authorizations to access the relevant tables and data.
  Reinitialize Replication: If the issue persists, you may need to stop and restart the replication for the affected table or even reinitialize the entire replication setup.
  
  Related Information
  
  Transaction Codes: Use transaction SLT to access the SLT configuration and monitoring tools.
  SAP Notes: Check SAP Notes related to SLT replication errors for specific guidance and patches.
  Documentation: Refer to the official SAP documentation for SLT for detailed information on configuration and troubleshooting.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with the error details and any relevant logs.