How To Fix CI_DRAFTPRD_MESSAGE109 - Enter a valid lot size (products planning)

CI_DRAFTPRD_MESSAGE109 - Overview

• Message type: E = Error

• Message class: CI_DRAFTPRD_MESSAGE -

• Message number: 109

• Message text: Enter a valid lot size (products planning)

What causes this issue?

The lot size specified in products planning does not make sense here
since quantity updating is not defined for the current product type in
the plant specified.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Choose a lot size for which the lot-sizing procedure "lot-for-lot order
quantity" is defined.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CI_DRAFTPRD_MESSAGE109 - Enter a valid lot size (products planning) ?

  The SAP error message CI_DRAFTPRD_MESSAGE109, which states "Enter a valid lot size," typically occurs in the context of product planning, particularly when dealing with production orders, material requirements planning (MRP), or similar processes. This error indicates that the lot size entered for a production order or planning scenario is not valid according to the system's configuration or the specific parameters set for the material.
  Causes:
  
  Invalid Lot Size Configuration: The lot size defined in the material master or the production order may not conform to the allowed lot sizes configured in the system.
  Missing Lot Size in Material Master: The material master record may not have a defined lot size or may have an incorrect lot size category.
  Incorrect Planning Parameters: The planning parameters set for the material may not align with the lot size requirements.
  User Input Error: The user may have entered a lot size that is not permissible, such as a negative