How To Fix CPWB304 - Some selected material-routing assignments are not valid on key date

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 304

• Message text: Some selected material-routing assignments are not valid on key date

What causes this issue?

You have selected material-routing allocations that are not valid on
the key date.

System Response

The function is not executed.

How to fix this error?

Deselect the invalid material-routing allocation or change the key
date.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPWB304 - Some selected material-routing assignments are not valid on key date ?

  The SAP error message CPWB304 indicates that some selected material-routing assignments are not valid on the specified key date. This typically occurs in the context of production planning and control, particularly when working with the Capacity Planning Workbench (CPWB) in SAP.
  Cause:
  
  Invalid Date Range: The routing or material assignment may not be valid for the key date you are using. This can happen if the routing has been changed or if the material has been deactivated or changed in the system.
  Routing Changes: The routing for the material may have been modified or deleted after the key date.
  Material Status: The material may have a status that prevents it from being used in production (e.g., blocked, discontinued).
  Master Data Issues: There may be inconsistencies or missing data in the master data for the material or routing.
  
  Solution:
  
  Check Validity of Routing: Verify the validity of the routing for the material on the key date. You can do this by checking the routing in the routing master data (transaction code CA03).
  Review Material Master Data: Check the material master data (transaction code MM03) to ensure that the material is active and has the correct status.
  Adjust Key Date: If possible, adjust the key date to a period where the routing and material assignments are valid.
  Update Master Data: If there are changes needed in the routing or material master data, make the necessary updates to ensure that they are valid for the key date.
  Consult Change Logs: Review change logs for the material and routing to understand what changes have been made and when.
  
  Related Information:
  
  Transaction Codes: 
  
  CA03: Display Routing
  MM03: Display Material Master
  C223: Change Routing
  
  
  Documentation: Refer to SAP Help documentation for detailed information on routing and material master data management.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  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 control.