How To Fix VCH_LL108 - Unsupported function (KZCLB) found in BOM &1 position &2

SAP Error Message - Details

• Message type: E = Error

• Message class: VCH_LL - Messages for package VCH_LL

• Message number: 108

• Message text: Unsupported function (KZCLB) found in BOM &1 position &2

What causes this issue?

Using obsolete functions, where class nodes act as selection conditions
(field KZCLB on BOM item), is not supported together with variant
configuration on <ZK>SAP HANA</>.

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

System Response

How to fix this error?

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 VCH_LL108 - Unsupported function (KZCLB) found in BOM &1 position &2 ?

  The SAP error message VCH_LL108, which states "Unsupported function (KZCLB) found in BOM &1 position &2," typically occurs in the context of Bill of Materials (BOM) processing. This error indicates that there is an unsupported function or operation defined in the BOM at the specified position.
  Cause:
  
  Unsupported Functionality: The error is triggered when the BOM contains a function or operation that is not recognized or supported by the system. This could be due to customizations or specific configurations that are not compatible with the current version of SAP.
  Data Corruption: There may be issues with the data integrity of the BOM, such as missing or incorrect entries.
  Version Compatibility: The error may arise if there are discrepancies between the version of the BOM being used and the version of the SAP system or module that is processing it.
  
  Solution:
  
  Check BOM Configuration: Review the BOM configuration at the specified position. Ensure that all functions and operations used are supported by your version of SAP.
  Correct Unsupported Functions: If you identify any unsupported functions (like KZCLB), consider replacing them with supported alternatives or removing them if they are not necessary.
  Data Validation: Validate the data in the BOM for any inconsistencies or errors. You can use transaction codes like CS03 (Display BOM) to check the details.
  Consult Documentation: Refer to SAP documentation or notes related to BOM processing to understand the limitations and supported functions.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or updates that address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) for managing BOMs.
  SAP Notes: Check SAP Notes for any known issues or fixes related to BOM processing and the specific error message.
  Custom Development: If your organization has custom developments, review them to ensure they are compatible with the current SAP environment.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.