How To Fix DU301 - An external program can only be maintained as a receiver structure

DU301 - Overview

• Message type: E = Error

• Message class: DU - Data transfer to SAP-EIS

• Message number: 301

• Message text: An external program can only be maintained as a receiver structure

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.

DU301 - Details

• The SAP error message DU301, which states "An external program can only be maintained as a receiver structure," typically occurs in the context of data transfer or integration scenarios, particularly when dealing with external programs or systems that interact with SAP.
  
  Cause:
  The error usually arises when there is an attempt to maintain or modify an external program in a way that is not permitted by the system. This can happen due to:
  
  Incorrect Configuration: The external program may not be properly configured as a receiver structure in the SAP system.
  Data Transfer Issues: There may be issues with the data transfer setup, such as incorrect mapping or incompatible data formats.
  Authorization Issues: The user may not have the necessary permissions to maintain the external program.
  Technical Restrictions: The system may have technical restrictions that prevent certain operations on external programs.
  
  
  Solution:
  To resolve the DU301 error, you can take the following steps:
  
  
  Check Configuration:
  
  Ensure that the external program