How To Fix MW330 - Invalid combination of document cat.: (&) and (&)

MW330 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 330

• Message text: Invalid combination of document cat.: (&) and (&)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW330 - Invalid combination of document cat.: (&) and (&) ?

  The SAP error message MW330, which states "Invalid combination of document cat.: (&) and (&)," typically occurs in the context of inventory management or material document processing. This error indicates that there is an inconsistency or incompatibility between the document categories being used in a transaction.
  
  Cause:
  
  
  Document Category Mismatch: The error usually arises when the system encounters a combination of document categories that are not allowed or do not make sense in the context of the transaction being performed. For example, you might be trying to post a goods movement that involves a combination of document types that are not compatible with each other.
  
  
  
  Configuration Issues: There may be configuration settings in the SAP system that define which document categories can be used together. If these settings are not correctly configured, it can lead to this error.
  
  
  User Input Error: Sometimes, the error can be caused by incorrect user input, such as selecting