How To Fix KN088 - Selected item is not a material

KN088 - Overview

• 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