How To Fix CPWB652 - Select material-bill of material allocation

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 652

• Message text: Select material-bill of material allocation

What causes this issue?

Before you can process the selected function, you must mark at least
one material to BOM allocation. However, you have not marked any
material to BOM allocation.

System Response

The selected function cannot be executed.

How to fix this error?

Mark at least one material to BOM allocation.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPWB652 - Select material-bill of material allocation ?

  The SAP error message CPWB652, which states "Select material-bill of material allocation," typically occurs in the context of production planning or when working with bills of materials (BOMs) in SAP. This error indicates that the system is unable to find a valid allocation of a material to a specific bill of materials.
  Causes:
  
  Missing BOM: The specified material does not have a BOM assigned in the system.
  Incorrect Material: The material number entered may be incorrect or does not exist in the system.
  BOM Status: The BOM may be inactive or not valid for the specified plant or production version.
  Plant Assignment: The BOM may not be assigned to the plant you are working with.
  Versioning Issues: If you are using a specific version of the BOM, it may not be available or correctly configured.
  
  Solutions:
  
  
  Check BOM Assignment:
  
  Use transaction code CS03 to display the BOM for the material and ensure that it exists and is correctly assigned to the relevant plant.
  
  
  
  Verify Material Number:
  
  Ensure that the material number you are using is correct. You can check this using transaction code MM03 to display the material master data.
  
  
  
  Check BOM Status:
  
  Ensure that the BOM is active and valid for the required period. You can check the validity dates in the BOM details.
  
  
  
  Plant Configuration:
  
  Confirm that the BOM is assigned to the correct plant. If necessary, create or modify the BOM for the appropriate plant using transaction code CS01 (to create) or CS02 (to change).
  
  
  
  Review Production Version:
  
  If you are using production versions, ensure that the correct production version is selected and that it is linked to the appropriate BOM.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user guides for your specific SAP implementation, as there may be custom configurations or processes in place.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  MM03: Display Material Master
  C223: Maintain Production Versions
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  
  
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and modify BOMs and materials in the system.
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning and BOM management.