How To Fix CNV_OT_APPL_PE071 - Modify on table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OT_APPL_PE - Messages for application specific functions

• Message number: 071

• Message text: Modify on table &1 failed

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OT_APPL_PE071 - Modify on table &1 failed ?

  The SAP error message CNV_OT_APPL_PE071: Modify on table &1 failed typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that there was an attempt to modify a database table, but the operation failed for some reason.
  Possible Causes:
  
  Data Integrity Issues: The data being migrated may violate constraints or rules defined in the target table, such as primary key violations, foreign key constraints, or unique constraints.
  Locking Issues: The table may be locked by another process or user, preventing modifications.
  Authorization Issues: The user executing the operation may not have the necessary permissions to modify the table.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the database itself.
  Incorrect Mapping: The mapping of fields from the source to the target table may be incorrect, leading to data type mismatches or other issues.
  
  Solutions:
  
  Check Data Integrity: Review the data being migrated to ensure it adheres to the constraints of the target table. Correct any data issues before attempting the migration again.
  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.
  Verify Authorizations: Ensure that the user executing the migration has the necessary authorizations to modify the target table.
  Review Logs: Check the application logs and system logs for more detailed error messages that can provide insights into the specific cause of the failure.
  Correct Mapping: Review the mapping configuration to ensure that all fields are correctly mapped and that data types are compatible.
  Database Health Check: Perform a health check on the database to ensure there are no underlying issues affecting its performance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the structure of the table and constraints, or SM21 (System Log) to review system logs for errors.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Migration Tools Documentation: Review the documentation for the specific migration tool you are using, as it may provide additional context or troubleshooting steps for this error.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.