How To Fix UMG400 - The report must not run in Unicode systems.

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 400

• Message text: The report must not run in Unicode systems.

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 UMG400 - The report must not run in Unicode systems. ?

  The SAP error message UMG400, which states "The report must not run in Unicode systems," typically occurs when you attempt to execute a report or program that is not compatible with Unicode systems. This is particularly relevant for older ABAP programs that were designed for non-Unicode environments.
  Cause:
  
  Non-Unicode Program: The report or program you are trying to run was developed before SAP transitioned to Unicode and is not compatible with the Unicode data handling.
  System Configuration: The SAP system you are using is configured as a Unicode system, which means it can handle a wider range of characters and data types compared to non-Unicode systems.
  Data Handling Issues: The program may use specific data types or character encodings that are not supported in a Unicode environment.
  
  Solution:
  
  Check Program Compatibility: Verify if the report or program has a Unicode-compatible version. If it does, use that version instead.
  Contact Developer: If you have access to the program's source code, consider reaching out to the developer or your SAP support team to discuss the possibility of converting the program to be Unicode-compatible.
  Use Non-Unicode System: If the report is essential and no Unicode version exists, you may need to run it in a non-Unicode SAP system. This is not a common practice and may not be feasible depending on your organization's infrastructure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may provide patches or updates for the specific report or program you are trying to run.
  
  Related Information:
  
  Unicode vs. Non-Unicode: Understanding the differences between Unicode and non-Unicode systems is crucial. Unicode systems can handle multiple languages and character sets, while non-Unicode systems are limited to specific character sets.
  SAP Version: Ensure that you are using a version of SAP that supports Unicode. Most modern SAP systems are Unicode-enabled.
  Testing: If you are a developer, consider testing the program in a development environment to identify specific areas that may cause issues in a Unicode context.
  
  If you continue to face issues, it may be beneficial to consult with SAP support or your internal IT team for further assistance.