How To Fix CNV_CMIS_A_20071 - Errors occurred while saving changes for table &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 071

• Message text: Errors occurred while saving changes for table &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20071 - Errors occurred while saving changes for table & ?

  The SAP error message CNV_CMIS_A_20071 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there were issues while saving changes to a specific table during the migration process.
  Cause:
  The error can be caused by several factors, including:
  
  
  Data Integrity Issues: The data being migrated may not meet the integrity constraints of the target table, such as primary key violations, foreign key constraints, or unique constraints.
  
  
  Field Length Mismatches: The data being transferred may exceed the field length defined in the target table.
  
  
  Missing Required Fields: Required fields in the target table may not be populated in the source data.
  
  
  Technical Issues: There may be technical issues such as database locks, insufficient authorizations, or system performance problems.
  
  
  Configuration Issues: Incorrect configuration settings in the migration tool or the source/target system can lead to errors.
  
  
  Solution:
  To resolve the CNV_CMIS_A_20071 error, you can take the following steps:
  
  
  Check the Error Log: Review the detailed error log provided by the migration tool to identify the specific table and the nature of the error.
  
  
  Validate Source Data: Ensure that the data in the source system is clean and adheres to the constraints of the target system. This may involve:
  
  Checking for duplicates.
  Ensuring that all required fields are populated.
  Validating data types and lengths.
  
  
  
  Adjust Data Mapping: If there are field length mismatches or missing fields, adjust the data mapping in the migration tool to ensure compatibility.
  
  
  Test Migration in Smaller Batches: If possible, try migrating data in smaller batches to isolate the problematic records.
  
  
  Check Authorizations: Ensure that the user performing the migration has the necessary authorizations to write to the target tables.
  
  
  Database Locks: Check for any database locks that may be preventing changes from being saved. You may need to wait for locks to be released or resolve any blocking issues.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or patches related to this error.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as it is often the tool used for data migration.
  Data Migration Best Practices: Review best practices for data migration to ensure a smooth process.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_CMIS_A_20071 error.