How To Fix KN088 - Selected item is not a material

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 088

• Message text: Selected item is not a material

What causes this issue?

The item you selected is not a material.

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?

Select a material from the list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN088 - Selected item is not a material ?

  The SAP error message KN088 ("Selected item is not a material") typically occurs when you are trying to perform an operation that requires a material master record, but the selected item does not have a valid material number associated with it. This can happen in various transactions, such as creating or updating sales orders, purchase orders, or inventory management tasks.
  Causes:
  
  Incorrect Item Type: The item you are trying to process is not defined as a material in the SAP system. It could be a service, a non-stock item, or a different type of master data.
  Missing Material Master Record: The material number you are trying to use does not exist in the material master database.
  Inactive Material: The material may exist but is marked as inactive or obsolete in the system.
  Data Entry Error: There may be a typographical error in the material number entered.
  Configuration Issues: The system may not be configured correctly to recognize the item as a material.
  
  Solutions:
  
  Verify Material Number: Check the material number you are using to ensure it is correct and exists in the system. You can do this by using transaction code MM03 (Display Material) to look up the material.
  Check Material Status: Ensure that the material is active and not marked for deletion. You can check this in the material master record.
  Use Correct Item Type: If the item is not a material (e.g., a service), ensure you are using the correct transaction or process for that item type.
  Create Material Master Record: If the material does not exist, you may need to create a new material master record using transaction code MM01 (Create Material).
  Consult with SAP Support: If you are unsure about the configuration or if the issue persists, consult with your SAP support team or system administrator for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  Material Types: Familiarize yourself with different material types in SAP (e.g., raw materials, finished goods, trading goods) to understand how they are categorized.
  User Authorizations: Ensure that you have the necessary authorizations to access and modify material master records.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  By following these steps, you should be able to identify the cause of the KN088 error and take appropriate action to resolve it.