How To Fix CPWB656 - Already reached first material-bill of material alocation

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 656

• Message text: Already reached first material-bill of material alocation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CPWB656 - Already reached first material-bill of material alocation ?

  The SAP error message CPWB656, which states "Already reached first material-bill of material allocation," typically occurs in the context of production planning and control, particularly when working with bills of materials (BOMs) in SAP.
  Cause:
  This error usually arises when there is an attempt to allocate materials for a production order or a planned order, but the system has already reached the first material allocation for the specified BOM. This can happen due to several reasons:
  
  Duplicate Allocation Attempts: The system may be trying to allocate materials that have already been allocated in a previous step.
  Incorrect BOM Configuration: The BOM may not be set up correctly, leading to issues in material allocation.
  Order Status: The production order or planned order may be in a status that does not allow for further allocations.
  Material Availability: There may be issues with the availability of materials, causing the system to halt further allocations.
  
  Solution:
  To resolve the CPWB656 error, you can take the following steps:
  
  Check Allocation Status: Verify the allocation status of the materials in the production order. Ensure that the materials have not already been allocated.
  Review BOM Configuration: Check the BOM configuration for the material in question. Ensure that it is correctly set up and that all components are defined properly.
  Order Status: Check the status of the production order or planned order. If it is in a status that does not allow for further allocations (e.g., completed or closed), you may need to change the status or create a new order.
  Material Availability Check: Ensure that the required materials are available in stock. If not, you may need to procure or produce the necessary materials before attempting to allocate them again.
  Reprocess Allocation: If the issue persists, you may need to reprocess the allocation. This can often be done through the transaction code for production order processing (e.g., CO02 for changing production orders).
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order).
  BOM Management: Understand how to manage BOMs in SAP, including creating, changing, and displaying BOMs using transaction codes like CS01, CS02, and CS03.
  Material Management: Knowledge of material management processes in SAP can help in troubleshooting allocation issues. Transaction codes like MM01 (Create Material) and MM02 (Change Material) may be useful.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP's support portal can provide additional insights and solutions.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.