How To Fix W_CB168 - Incorrect key combination

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 168

• Message text: Incorrect key combination

What causes this issue?

The combination of key fields you have selected is incorrect

System Response

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

How to fix this error?

Select an eligible partner or a list
Select a validity interval or set the filter indicator
If a filter indicator is set, no validity period may be specified. A
list and eligible partner are not allowed in the same line.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W_CB168 - Incorrect key combination ?

  SAP Error Message:
  
  W_CB168 - Incorrect key combination
  
  Cause:
  The error message W_CB168 - Incorrect key combination typically occurs when a user enters a combination of keys or selection criteria that is not valid or allowed in the current context. This often happens in selection screens, reports, or transaction input fields where certain key fields or combinations must follow specific rules or dependencies.
  For example:
  
  Entering conflicting or mutually exclusive selection criteria.
  Providing incomplete or inconsistent key values.
  Using invalid or unsupported key combinations in a custom or standard SAP program.
  
  
  Solution:
  
  
  Check the Input Values:
  
  Review the key fields or selection criteria you have entered. Ensure that the combination of keys or values complies with the expected input rules.
  
  
  Follow Field Dependencies:
  
  Some fields depend on others. For example, if you select a certain key in one field, other fields may need to be filled or left blank accordingly.
  
  
  Consult the Documentation or Help:
  
  Use the F1 help on the fields to understand valid entries and combinations.
  
  
  Check for Custom Validations:
  
  If this error occurs in a custom program or report, check the ABAP code or validation logic that triggers this message. The message class W_CB168 is often linked to specific validation routines.
  
  
  Contact SAP Support or Basis Team:
  
  If you cannot resolve the issue, raise a ticket with SAP support or your internal SAP team, providing the exact steps and data causing the error.
  
  
  
  Related Information:
  
  Message Class: W_CB168 is part of a message class used in SAP modules related to selection screens or key validations.
  Common Modules: This error can appear in various modules, especially in reports or transactions involving complex selection criteria.
  Debugging: Developers can debug the program to find where the message is triggered and understand the logic behind the key combination validation.
  SAP Notes: Check SAP Notes for any known issues or patches related to this message.
  
  
  If you provide the transaction code or context where this error occurs, I can help with more specific guidance.