How To Fix CP442 - Lot-size range of alternative sequence not in task list header

SAP Error Message - Details

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 442

• Message text: Lot-size range of alternative sequence not in task list header

What causes this issue?

The lot-size range of the alternative sequence exceeds the lot-size
of the task list header for &V1&.

How to fix this error?

You should check the task list and, if necessary, check the lot-size
range of the sequence.
Make sure that the lot-size range of the task list header must comprise
the lot-size range of the alternative sequence.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP442 - Lot-size range of alternative sequence not in task list header ?

  The SAP error message CP442, which states "Lot-size range of alternative sequence not in task list header," typically occurs in the context of production planning and control, particularly when working with alternative sequences in a task list. This error indicates that the lot size range defined for an alternative sequence does not match the lot size range specified in the task list header.
  Cause:
  
  Mismatch in Lot Size Ranges: The lot size range defined for the alternative sequence in the routing or task list does not align with the lot size range specified in the task list header.
  Incorrect Configuration: The task list may not be configured correctly, or the alternative sequences may not be set up properly in the routing.
  Data Inconsistencies: There may be inconsistencies in the master data, such as the material master or routing data.
  
  Solution:
  
  Check Task List Header: Review the task list header to ensure that the lot size range is correctly defined. Make sure it matches the lot size range of the alternative sequences.
  Review Alternative Sequences: Go to the routing or task list and check the alternative sequences. Ensure that the lot size ranges for these sequences are correctly defined and are consistent with the task list header.
  Adjust Lot Size Ranges: If there is a discrepancy, adjust the lot size ranges in either the task list header or the alternative sequences to ensure they match.
  Recreate Task List: If the issue persists, consider recreating the task list or routing to ensure that all settings are correctly applied.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring task lists and alternative sequences.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CA01 (Create Routing), CA02 (Change Routing), or CA03 (Display Routing) to access and modify routing information.
  Master Data: Ensure that the material master data is correctly set up, particularly the production data views that may affect lot sizes.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Testing: After making changes, perform tests to ensure that the error does not reoccur and that the production planning process functions as expected.
  
  By following these steps, you should be able to resolve the CP442 error and ensure that your task lists and alternative sequences are correctly configured.