How To Fix KO351 - Enter the material or plant

SAP Error Message - Details

• 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 Plant Codes: Make sure that the material number and plant code you are entering are valid and exist in the system. You can use transaction codes like MM03 (Display Material) or OX10 (Maintain Plant) to verify their existence.
  Check Transaction Context: Ensure that you are using the correct transaction for the task you are trying to perform. If you are unsure, consult your SAP documentation or reach out to your SAP support team.
  User Authorizations: If you suspect that authorization issues may be causing the error, check with your SAP security team to ensure you have the necessary permissions to access the materials and plants you are trying to work with.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  CO01: Create Production Order
  CO02: Change Production Order
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on the specific transaction you are using.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message KO351.
  Training: If you frequently encounter this error, consider additional training on the relevant SAP modules to better understand the required inputs and processes.
  
  By following these steps, you should be able to resolve the KO351 error and proceed with your SAP tasks.