How To Fix M8303 - Material & & & already included in document (line &)

M8303 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 303

• Message text: Material & & & already included in document (line &)

What causes this issue?

You have already processed this material/plant combination under
another item.

How to fix this error?

Correct your input.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8303 - Material & & & already included in document (line &) ?

  The SAP error message M8303 typically indicates that a material has already been included in a document, which can occur in various contexts such as inventory management, purchasing, or sales. This error is often encountered when trying to add a material to a document (like a purchase order, sales order, or inventory transfer) that has already been referenced in that document.
  
  Cause:
  
  Duplicate Entry: The material you are trying to add is already listed in the document.
  Document Status: The document may be in a status that does not allow for changes or additions.
  
  Configuration Issues: There may be specific settings in the system that prevent the addition of duplicate materials.
  
  
  Solution:
  
  Check Document: Review the document to confirm if the material is already included. If it is, you may not need to add it again.
  Remove Duplicate: If you find that the material is listed more than once and this is not intended, remove the duplicate