How To Fix CHK_ENH253 - Enhancement implementation &1 (version &2) has an ambivalent type (EX/IM)

CHK_ENH253 - Overview

• Message type: E = Error

• Message class: CHK_ENH - Messages for enhancement checks

• Message number: 253

• Message text: Enhancement implementation &1 (version &2) has an ambivalent type (EX/IM)

What causes this issue?

Enhancement implementations have been found in your system that have an
ambivalent status:
For implicit enhanement elements, entries exist in table ENHCROSS with
explicit enhancement elements.

System Response

The explicit enhancement immplementations will never be executed, but
they can cause errors during an upgrade of the enhancements.

How to fix this error?

Execute the program ENH_CREATE_ENHCROSS. This program builds the
corresponding table entries.

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_ENH253 - Enhancement implementation &1 (version &2) has an ambivalent type (EX/IM) ?

  The SAP error message CHK_ENH253 indicates that there is an issue with an enhancement implementation in your SAP system. Specifically, it states that the enhancement implementation has an "ambivalent type," which means that the implementation is defined in a way that is not clear whether it is an "exiting" (EX) or "implementing" (IM) enhancement.
  
  Cause:
  
  Ambiguous Definition: The enhancement implementation is defined in such a way that it could be interpreted as both an exit and an implementation. This can happen if the enhancement is not properly categorized or if there are conflicting definitions in the enhancement implementation.
  Incorrect Configuration: The enhancement might have been incorrectly configured or defined in the system, leading to this ambiguity.
  Version Mismatch: There may be a version mismatch between the enhancement implementation and the system or other related components.
  
  
  Solution:
  
  Check Enhancement Implementation: Review the enhancement implementation in the SAP system. Ensure that it is correctly defined as either an