How To Fix KO302 - Material & does not exist in plant &; check your entry

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 302

• Message text: Material & does not exist in plant &; check your entry

What causes this issue?

Material &v1& does not have a valid material master in plant &v2&. To
create a CO production order for this material, you must have
maintained at least the statuses 'accounting' and 'costing' in the
material master.

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?

You have two options:
Specify another material.
Create a material master for material &v1&.
<DS:TRAN.MM01>Proceed</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO302 - Material & does not exist in plant &; check your entry ?

  The SAP error message KO302 indicates that the material you are trying to use does not exist in the specified plant. This error typically occurs in the context of production planning, material management, or when trying to create or process a production order, purchase order, or similar transactions.
  Cause:
  
  Material Not Created: The material has not been created in the system for the specified plant.
  Incorrect Plant: The plant specified in the transaction does not have the material assigned to it.
  Material Status: The material may be inactive or blocked for use in the specified plant.
  Data Entry Error: There may be a typographical error in the material number or plant code.
  Master Data Issues: The material master data may not be properly maintained for the specific plant.
  
  Solution:
  
  
  Check Material Existence:
  
  Use transaction code MM03 to check if the material exists in the system.
  Enter the material number and check if it is available for the specified plant.
  
  
  
  Create Material:
  
  If the material does not exist, you can create it using transaction code MM01. Ensure you select the correct plant during the creation process.
  
  
  
  Check Plant Assignment:
  
  If the material exists but is not assigned to the specified plant, you can assign it using transaction code MM02 to modify the material master data.
  
  
  
  Review Material Status:
  
  Ensure that the material is not blocked or inactive. You can check this in the material master data.
  
  
  
  Verify Data Entry:
  
  Double-check the material number and plant code for any typographical errors.
  
  
  
  Consult with Master Data Team:
  
  If you are unsure about the material or plant setup, consult with your organization's master data management team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MMBE: Stock Overview (to check stock levels)
  
  
  
  Material Master Views: Ensure that the relevant views (Basic Data, Purchasing, Sales, etc.) are maintained for the material in the specific plant.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view or modify material master data.
  
  
  By following these steps, you should be able to resolve the KO302 error and ensure that the material is correctly set up in the specified plant.