How To Fix CNV20200090 - KeyUpdate indicator set for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 090

• Message text: KeyUpdate indicator set for table &1

What causes this issue?

The system analyzed the key fields of table &V1& that are relevant for
conversion. It found that no temporary duplicates can occur.

System Response

The KeyUpdate indicator was set for the table &V1&.
Depending on the database and other settings, the system generates an
optimized conversion pgram that does not consider temporary duplicate
keys.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200090 - KeyUpdate indicator set for table &1 ?

  The SAP error message CNV20200090, which states "KeyUpdate indicator set for table &1," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system has detected that the KeyUpdate indicator is set for a specific table, which may lead to issues during the data migration process.
  Cause:
  
  KeyUpdate Indicator: The KeyUpdate indicator is used to indicate that the primary key of a table is being updated. This can lead to inconsistencies if the migration process does not handle these updates correctly.
  Data Integrity Issues: The presence of the KeyUpdate indicator may suggest that there are existing records in the target system that could be affected by the migration, leading to potential data integrity issues.
  Configuration Issues: There may be configuration settings in the migration tool or the source/target systems that are not aligned, causing the KeyUpdate indicator to be set incorrectly.
  
  Solution:
  
  Review Migration Settings: Check the settings in the migration tool to ensure that the KeyUpdate indicator is set correctly. You may need to adjust the mapping or transformation rules.
  Data Consistency Check: Perform a data consistency check on the source data to ensure that there are no conflicts or issues that could lead to the KeyUpdate indicator being set.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  Adjust Data Model: If necessary, consider adjusting the data model or the way data is being migrated to avoid the KeyUpdate situation. This may involve changing how records are created or updated during the migration.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They may provide insights specific to your system configuration and the migration process you are using.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for best practices and troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the CNV20200090 error and implement a suitable solution.