How To Fix 0M801 - Internal error (Tree structure for includes used more than once)

0M801 - Overview

• Message type: E = Error

• Message class: 0M - Customer Enhancements

• Message number: 801

• Message text: Internal error (Tree structure for includes used more than once)

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 0M801 - Internal error (Tree structure for includes used more than once) ?

  The SAP error message 0M801 ("Internal error (Tree structure for includes used more than once)") typically indicates an issue related to the internal structure of the program or report being executed. This error often arises when there is a problem with the way includes or subroutines are being utilized in the ABAP code.
  
  Cause:
  
  Multiple Inclusion of Includes: The error can occur if an include file is being included multiple times in a way that is not supported by the ABAP runtime environment.
  Circular Includes: If there are circular references in the includes, it can lead to this error.
  Corrupted Program: Sometimes, the program or report may be corrupted or improperly compiled, leading to internal inconsistencies.
  Version Issues: If there are discrepancies between the versions of the program or the includes, it may lead to this error.
  
  
  Solution:
  
  Check Include Statements: Review the ABAP code to ensure that includes are not being included multiple times unnecessarily. Use