How To Fix CNV_IUUC_TCR_MAIN021 - No preprocessing mode defined for mass transfer &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_TCR_MAIN - transactional consistent replication main package

• Message number: 021

• Message text: No preprocessing mode defined for mass transfer &1

What causes this issue?

No preprocessing mode has been defined in table IUUC_TCR_LOADSTG.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In the process control layer (PCL) tree, define whether the
preprocessing activity should run in initial mode or final mode.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_TCR_MAIN021 - No preprocessing mode defined for mass transfer &1 ?

  The SAP error message CNV_IUUC_TCR_MAIN021 indicates that there is no preprocessing mode defined for a mass transfer object in the context of the SAP Landscape Transformation (SLT) or data migration processes. This error typically arises during data transfer or migration activities when the system expects a preprocessing mode to be defined but cannot find one.
  Cause:
  
  Missing Configuration: The preprocessing mode for the mass transfer object has not been configured in the system.
  Incorrect Settings: The settings for the mass transfer object may be incorrect or incomplete.
  Transport Layer Issues: There may be issues with the transport layer or the configuration of the data transfer process.
  
  Solution:
  
  
  Define Preprocessing Mode:
  
  Go to the relevant transaction (e.g., LTMC, LT01, or LT02 depending on your scenario).
  Check the configuration for the mass transfer object and ensure that a preprocessing mode is defined.
  If necessary, create or adjust the preprocessing mode settings.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the mass transfer object in the SLT or data migration settings.
  Ensure that all required parameters are correctly set.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific mass transfer object you are working with to understand the required preprocessing modes and configurations.
  
  
  
  Transport Layer:
  
  Verify that the transport layer is correctly set up and that there are no issues with the transport routes or configurations.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuring preprocessing modes.
  
  
  
  Testing:
  
  After making the necessary changes, test the mass transfer process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  SAP SLT (SAP Landscape Transformation): This is a tool used for real-time data replication and migration in SAP environments.
  Mass Transfer Objects: These are used in data migration scenarios to handle large volumes of data efficiently.
  Preprocessing Modes: These modes define how data should be handled before the actual transfer takes place, including any transformations or validations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation or to reach out to SAP support for assistance.