How To Fix CP439 - Incorrect lot size range for alternative sequence

CP439 - Overview

• Message type: E = Error

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

• Message number: 439

• Message text: Incorrect lot size range for alternative sequence

What causes this issue?

A reference operation set is referenced in routing &V1& &V2&, operation
&V4& and sequence &V3&. The lot size range of the alternative sequence
exceeds the lot size range of the referenced operation set.

How to fix this error?

Check the routing and, if necessary, correct the lot size range of the
alternative sequence.
Make sure that the lot size range of the referenced operation set
includes the lot size range of the referenced sequence.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP439 - Incorrect lot size range for alternative sequence ?

  The SAP error message CP439, which states "Incorrect lot size range for alternative sequence," typically occurs in the context of production planning and control, particularly when dealing with alternative sequences in the production process. This error indicates that there is a mismatch or inconsistency in the lot size range defined for an alternative sequence in the routing or production order.
  
  Cause:
  
  Lot Size Configuration: The lot size range defined for the alternative sequence does not match the lot size defined in the production order or the master data.
  Routing Issues: The routing for the production order may not have the correct alternative sequences defined, or the sequences may not be properly configured.
  Master Data Inconsistencies: There may be inconsistencies in the material master data, such as the lot size range not being properly set for the material being produced.
  Production Version: The production version may not be correctly set up to include the alternative sequences