How To Fix CHK_ENH420 - Enhancement implementation &1 does not exist (TADIR entry still exists)

SAP Error Message - Details

• Message type: E = Error

• Message class: CHK_ENH - Messages for enhancement checks

• Message number: 420

• Message text: Enhancement implementation &1 does not exist (TADIR entry still exists)

What causes this issue?

The enhancement implementation &V1& does not exist; however, the
corresponding TADIR entry still exists.

System Response

The TADIR entry for a deleted development object will be deleted when
the transport is released.

How to fix this error?

Release the request that contains the object deletion. If the deleted
object is not in any open request, include it manually (in SE09) in a
request and release the same.

Procedure for System Administrators

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 CHK_ENH420 - Enhancement implementation &1 does not exist (TADIR entry still exists) ?

  The SAP error message "CHK_ENH420 Enhancement implementation &1 does not exist (TADIR entry still exists)" typically indicates that there is a discrepancy between the enhancement implementation and the TADIR (Transport Directory) entry in the SAP system. This error occurs when the system is trying to access an enhancement implementation that has been deleted or is not active, but the corresponding entry still exists in the TADIR table.
  Cause:
  
  Deleted Enhancement: The enhancement implementation referenced by the message has been deleted or is not active in the system.
  Transport Issues: The enhancement might have been transported to the system, but the actual implementation was not included in the transport request.
  Inconsistent State: There may be inconsistencies in the system where the TADIR entry exists, but the actual implementation does not.
  
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check Enhancement Implementation:
  
  Go to transaction code SE19 (Enhancement Implementation) and check if the enhancement implementation exists.
  If it does not exist, you may need to recreate it or restore it from a transport request if it was deleted.
  
  
  
  Check TADIR Entry:
  
  Use transaction code SE03 (Transport Organizer Tools) to check the TADIR entries.
  You can search for the specific enhancement implementation using the object type and name.
  
  
  
  Delete Inconsistent TADIR Entry:
  
  If the enhancement implementation is confirmed to be deleted and you do not need it, you can delete the corresponding TADIR entry.
  This can be done using transaction SE03 or by using the program RS_TRANSTR to clean up the TADIR entries.
  
  
  
  Transport Request:
  
  If the enhancement was supposed to be transported, ensure that the transport request includes all necessary objects and that it has been properly imported into the target system.
  
  
  
  Check for Active Implementations:
  
  Ensure that there are no active implementations that might be conflicting with the one you are trying to access.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific issue. Sometimes, SAP provides patches or updates that can resolve such discrepancies.
  
  
  
  Related Information:
  
  TADIR Table: This table contains entries for all transportable objects in the SAP system. It is crucial for managing transport requests and ensuring that all necessary objects are included.
  Enhancement Framework: Understanding how the enhancement framework works in SAP can help in troubleshooting issues related to enhancements.
  Transaction Codes:
  
  SE19: For managing enhancement implementations.
  SE03: For transport organizer tools.
  SE80: For object navigator, where you can also check enhancements.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.