How To Fix EC402 - Keys which do not correspond to the new type will be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 402

• Message text: Keys which do not correspond to the new type will be deleted

What causes this issue?

Certain keys are not permitted in certain function key setting types.
For example, you cannot use F3 in a dialog box.

System Response

The system deletes the key setting when you confirm the warning.

How to fix this error?

If you do not want to delete the setting, choose 'Cancel'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC402 - Keys which do not correspond to the new type will be deleted ?

  The SAP error message EC402 ("Keys which do not correspond to the new type will be deleted") typically occurs in the context of data migration or changes in data structures, particularly when dealing with the SAP Environment Management (EM) or similar modules. This error indicates that there are keys in the system that do not match the expected format or type after a change has been made, such as a data model update or a configuration change.
  Cause:
  
  Data Structure Changes: The underlying data structure has been modified, and existing keys do not conform to the new structure.
  Migration Issues: During data migration, some keys may not have been updated or transformed correctly to match the new data type.
  Configuration Changes: Changes in configuration settings that affect how keys are defined or used can lead to this error.
  Inconsistent Data: There may be inconsistencies in the data that prevent certain keys from being recognized under the new type.
  
  Solution:
  
  Review Data Structure Changes: Check the changes made to the data structure or configuration. Ensure that all keys are updated to match the new definitions.
  Data Migration Validation: If this error occurred during a migration process, validate the migration scripts or processes to ensure that all keys were correctly transformed.
  Data Cleanup: Identify and clean up any obsolete or inconsistent keys in the database that do not conform to the new type.
  Reconfigure Settings: If applicable, revert or adjust configuration settings that may have led to the mismatch of keys.
  Consult Documentation: Refer to SAP documentation or release notes for any specific changes related to the data structure that may have caused this issue.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the system behaves as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling similar issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data management and configuration in SAP, such as SE11 (Data Dictionary) or SE14 (Database Utility).
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to identify the root cause of the EC402 error and implement a solution to resolve it.