How To Fix UMG121 - Support only in Unicode system

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 121

• Message text: Support only in Unicode system

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 UMG121 - Support only in Unicode system ?

  The SAP error message UMG121, which states "Support only in Unicode system," typically occurs when you are trying to execute a function or transaction that is only supported in a Unicode-enabled SAP system. This error is often encountered when working with certain features or functionalities that require Unicode support, which is essential for handling multiple languages and character sets.
  Cause:
  
  Non-Unicode System: The primary cause of this error is that the SAP system you are using is a non-Unicode system. Non-Unicode systems do not support the full range of characters and languages that Unicode systems do.
  Functionality Limitation: Certain SAP functionalities, such as specific reports, transactions, or enhancements, may be designed to work only in Unicode environments.
  
  Solution:
  
  
  Upgrade to Unicode: The most effective solution is to upgrade your SAP system to a Unicode version. This process involves migrating your existing data and applications to a Unicode-compatible format. This can be a complex process and typically requires careful planning and execution.
  
  Migration Tools: SAP provides tools and guides for migrating from a non-Unicode to a Unicode system. The SAP Note 19466 provides information on the migration process.
  Consult SAP Documentation: Refer to the official SAP documentation for detailed steps and considerations for the migration process.
  
  
  
  Check Transaction/Functionality: If upgrading is not feasible, check if there are alternative transactions or functionalities that can be used in a non-Unicode system. Sometimes, there may be workarounds or different approaches to achieve similar results.
  
  
  Contact SAP Support: If you are unsure about the migration process or need assistance, consider reaching out to SAP support or your SAP consultant for guidance.
  
  
  Related Information:
  
  Unicode vs. Non-Unicode: Understanding the differences between Unicode and non-Unicode systems is crucial. Unicode systems can handle a wider range of characters, making them suitable for global applications.
  SAP Notes: Regularly check SAP Notes for updates or patches that may address specific issues related to Unicode support.
  Testing: If you are planning to migrate, ensure thorough testing is conducted post-migration to verify that all functionalities work as expected in the Unicode environment.
  
  Conclusion:
  The UMG121 error indicates a limitation of your current SAP system regarding Unicode support. Upgrading to a Unicode system is the recommended solution, but alternative approaches may be available depending on your specific situation. Always consult with SAP documentation and support for the best practices in handling such issues.