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

SAP Error Message - Details

• 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.

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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 the wrong document type or category during a transaction.
  
  
  Solution:
  
  
  Check Document Categories: Review the document categories involved in the transaction. Ensure that they are compatible with each other according to the business processes defined in your SAP system.
  
  
  Review Configuration Settings: If you have access to the configuration settings, check the settings for document categories in the relevant modules (e.g., Inventory Management, Material Management). Ensure that the allowed combinations of document categories are correctly defined.
  
  
  Consult Documentation: Refer to SAP documentation or help resources to understand the valid combinations of document categories for the specific transaction you are trying to perform.
  
  
  User Training: If the error is due to user input, consider providing additional training or guidelines to users on how to correctly select document categories during transactions.
  
  
  Contact SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and transaction context.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to inventory management, such as MIGO (Goods Movement) or MB1A (Goods Withdrawal).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on document category configurations.
  Testing: If possible, test the transaction in a development or sandbox environment to replicate the error and identify the exact cause without affecting production data.
  
  By following these steps, you should be able to identify the cause of the MW330 error and implement a solution to resolve it.