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

KO345 - Overview

• 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