How To Fix KO351 - Enter the material or plant

KO351 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 351

• Message text: Enter the material or plant

What causes this issue?

Your input is incomplete, leading to a selection which is not clear.
The entry for either the material number or the plant is missing.

How to fix this error?

Enter the material or plant and, as required, a production version or
the relevant run schedule header number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO351 - Enter the material or plant ?

  The SAP error message KO351 ("Enter the material or plant") typically occurs in the context of controlling (CO) or production planning (PP) modules when a user attempts to execute a transaction that requires a material or plant to be specified, but one or both of these fields are left blank.
  
  Cause:
  
  Missing Input: The most common cause is that the user has not entered a material number or plant code in the relevant fields of the transaction.
  Incorrect Transaction: The transaction being executed may not be appropriate for the current context, leading to the requirement for additional input.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to view or enter data for specific materials or plants.
  
  
  Solution:
  
  Enter Required Fields: Ensure that you fill in the required fields for material and plant before executing the transaction. Check the input screen for any mandatory fields that need to be completed.
  Verify Material and