How To Fix KO345 - Check your entries; either material/plant/version or run schedule header

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 345

• Message text: Check your entries; either material/plant/version or run schedule header

What causes this issue?

Your input is not correct.

System Response

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

How to fix this error?

Check your input. Only one of the fields "Run schedule header number"
or "Material/plant/version" may be filled, not both.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO345 - Check your entries; either material/plant/version or run schedule header ?

  The SAP error message KO345 typically occurs in the context of production planning and control, particularly when dealing with production orders, run schedules, or related transactions. This error indicates that there is an issue with the entries made in the system, specifically regarding the material, plant, version, or run schedule header.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Material/Plant Combination: The material you are trying to use may not be available in the specified plant.
  Missing Version: If a version is required for the material or production order and it is not specified or does not exist, this error can occur.
  Run Schedule Header Issues: If the run schedule header is not correctly defined or is missing required information, it can lead to this error.
  Data Inconsistencies: There may be inconsistencies in the master data, such as the material master or the production version.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the specified material or plant.
  
  Solution:
  To resolve the KO345 error, you can take the following steps:
  
  Check Material and Plant: Verify that the material exists in the specified plant. You can do this by checking the material master data (transaction code MM03).
  Verify Version: Ensure that the correct version is specified and that it exists for the material in question. You can check this in the production version settings (transaction code C223).
  Review Run Schedule Header: If applicable, check the run schedule header for completeness and correctness. Ensure that all required fields are filled out properly.
  Check Master Data: Review the relevant master data for inconsistencies. This includes checking the material master, BOM (Bill of Materials), and routing.
  User Authorizations: Ensure that the user has the necessary authorizations to access the material and plant. You may need to consult with your SAP security team if there are authorization issues.
  Consult Documentation: If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Material Master), C223 (Production Version), and CO01 (Create Production Order).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KO345 error in SAP.