How To Fix MA330 - Message type already created for info structure &

MA330 - Overview

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 330

• Message text: Message type already created for info structure &

What causes this issue?

A message type already exists for this information structure, and you
have not set the update indicator.

System Response

No message type is created.

How to fix this error?

Data can already be distributed via the IDOC structure because a
message type exists.
No action is necessary on your part unless you want the existing
message type to be overwritten with a new one. In this case, set the
update indicator and select <PF>Enter</> again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA330 - Message type already created for info structure & ?

  The SAP error message MA330 ("Message type already created for info structure &") typically occurs when you are trying to create a message type for an information structure that already has an existing message type defined. This can happen in the context of Material Management (MM) or other modules where information structures are used for reporting and analysis.
  
  Cause:
  The error is caused by attempting to create a new message type for an info structure that already has one defined. Each info structure can only have one message type associated with it, and if you try to create another, SAP will throw this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Message Types:
  
  Go to the transaction code MC22 (Change Info Structure) or MC23 (Display Info Structure).
  Enter the info structure name that is causing the error.
  Check if a message type is already defined for that info structure.
  
  
  
  Modify Existing Message Type:
  
  If