How To Fix CNV_MBT312 - Error while inserting entry to central status management table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 312

• Message text: Error while inserting entry to central status management table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT312 - Error while inserting entry to central status management table ?

  The SAP error message CNV_MBT312 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there was an issue while trying to insert an entry into the central status management table, which is used to track the status of data migration processes.
  Causes:
  
  
  Database Constraints: The error may arise due to violations of database constraints, such as primary key or foreign key constraints. This can happen if there are duplicate entries or if the data being inserted does not meet the required conditions.
  
  
  Data Type Mismatch: If the data being inserted does not match the expected data types defined in the central status management table, this can lead to insertion failures.
  
  
  Locking Issues: If the table is locked by another process or transaction, it may prevent new entries from being inserted.
  
  
  Insufficient Authorizations: The user or process attempting to insert the entry may not have the necessary authorizations to perform the operation.
  
  
  Corrupted Table: In rare cases, the central status management table itself may be corrupted or have integrity issues.
  
  
  Solutions:
  
  
  Check Database Constraints: Review the data being inserted to ensure it does not violate any constraints. Look for duplicate entries or invalid foreign key references.
  
  
  Validate Data Types: Ensure that the data being inserted matches the expected data types for each column in the central status management table.
  
  
  Release Locks: If the table is locked, identify the process holding the lock and either wait for it to complete or terminate it if appropriate.
  
  
  Review Authorizations: Check the user authorizations to ensure that the user or process has the necessary permissions to insert data into the table.
  
  
  Database Integrity Check: Perform a database integrity check on the central status management table to identify and resolve any corruption issues.
  
  
  Consult Logs: Review the application and system logs for more detailed error messages that can provide additional context about the failure.
  
  
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. You can search for the error message or related keywords.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to inspect the structure of the central status management table and SE37 (Function Builder) to check any related function modules.
  Migration Tools: Familiarize yourself with the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have specific logs or troubleshooting steps.
  Documentation: Review the official SAP documentation for the migration tools you are using, as they often contain troubleshooting sections for common errors.
  
  By following these steps, you should be able to identify the cause of the CNV_MBT312 error and implement a suitable solution.