How To Fix CNV_OM_MWBGEN035 - Transfer of Preselection Table for Delete and Insert technique

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_MWBGEN - SLO: Messages for Object Based MBW Generation

• Message number: 035

• Message text: Transfer of Preselection Table for Delete and Insert technique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_MWBGEN035 - Transfer of Preselection Table for Delete and Insert technique ?

  The SAP error message CNV_OM_MWBGEN035 typically occurs during data migration processes, particularly when using the SAP Migration Workbench (MWB) for transferring data. This error is related to the transfer of preselection tables when using the Delete and Insert technique for data migration.
  Cause:
  The error can be caused by several factors, including:
  
  Data Integrity Issues: There may be inconsistencies or integrity issues in the data being transferred, such as missing keys or references.
  Configuration Problems: The configuration settings for the migration process may not be set up correctly, leading to issues in the transfer of preselection tables.
  Technical Errors: There could be technical issues in the system, such as database locks, missing authorizations, or system performance problems.
  Incorrect Mapping: The mapping of source and target fields may not be correctly defined, leading to issues during the transfer process.
  
  Solution:
  To resolve the CNV_OM_MWBGEN035 error, you can follow these steps:
  
  
  Check Data Consistency: Review the data in the preselection tables to ensure that there are no missing or inconsistent entries. Validate that all required fields are populated correctly.
  
  
  Review Configuration Settings: Ensure that the migration settings in the Migration Workbench are correctly configured. Check the settings for the Delete and Insert technique to ensure they align with the requirements of your data migration.
  
  
  Examine Logs and Traces: Look at the logs and traces generated during the migration process. They may provide additional details about the specific cause of the error.
  
  
  Test with Sample Data: If possible, try running the migration with a smaller set of sample data to see if the error persists. This can help isolate the issue.
  
  
  Check Authorizations: Ensure that the user executing the migration has the necessary authorizations to perform the operations required for the data transfer.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or traces.
  
  
  Related Information:
  
  Migration Workbench (MWB): A tool used in SAP for data migration, allowing users to transfer data from legacy systems to SAP systems.
  Delete and Insert Technique: A method used in data migration where existing records are deleted before new records are inserted. This technique is often used to ensure data integrity and avoid duplicates.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including data cleansing, validation, and testing.
  
  By following these steps and understanding the context of the error, you should be able to troubleshoot and resolve the CNV_OM_MWBGEN035 error effectively.