How To Fix CNV_IUUC_REPLICATION504 - Cannot switch recording mechanism; the configuration contains objects

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 504

• Message text: Cannot switch recording mechanism; the configuration contains objects

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION504 - Cannot switch recording mechanism; the configuration contains objects ?

  The SAP error message CNV_IUUC_REPLICATION504 indicates that there is an issue with switching the recording mechanism in the context of SAP Landscape Transformation (SLT) replication. This error typically arises when there are existing objects in the configuration that prevent the switch from occurring.
  Cause:
  The error occurs when you attempt to change the recording mechanism (for example, from "Log-based" to "Trigger-based" or vice versa) while there are still objects (like tables or views) that are being replicated or are configured for replication. The presence of these objects means that the system cannot safely switch the recording mechanism without potentially losing data or causing inconsistencies.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Active Replication Objects: 
  
  Go to the SLT configuration and check which tables or views are currently being replicated. You can do this in the SLT configuration transaction (usually LTRC).
  
  
  
  Stop Replication: 
  
  If there are active replication objects, you will need to stop the replication for those objects. This can be done by selecting the objects and choosing the option to stop replication.
  
  
  
  Remove Objects from Configuration: 
  
  If stopping replication is not sufficient, you may need to remove the objects from the SLT configuration. This can be done by selecting the objects and choosing the option to delete them from the configuration.
  
  
  
  Switch Recording Mechanism: 
  
  Once all objects have been removed or replication has been stopped, you should be able to switch the recording mechanism without encountering the error.
  
  
  
  Re-add Objects (if necessary): 
  
  If you need to continue replicating the same objects, you can re-add them to the configuration after successfully switching the recording mechanism.
  
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for SLT for detailed steps on managing replication configurations and understanding the implications of switching recording mechanisms.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTRC (SLT Configuration), LTMOM (Modeling), and SLT Monitoring transactions for monitoring replication status.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  
  By following these steps, you should be able to resolve the CNV_IUUC_REPLICATION504 error and successfully switch the recording mechanism in your SLT configuration.