How To Fix IUUC_RT001 - Unicode Conversion error occured

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_RT - IUUC Runtime Messages

• Message number: 001

• Message text: Unicode Conversion error occured

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 IUUC_RT001 - Unicode Conversion error occured ?

  The SAP error message IUUC_RT001 indicates that a Unicode conversion error has occurred during the execution of a process, typically related to data transfer or data processing in a Unicode environment. This error can arise in various scenarios, such as during data migration, system upgrades, or when handling non-Unicode data in a Unicode system.
  Causes of IUUC_RT001 Error
  
  
  Data Format Issues: The data being processed may contain characters that cannot be converted to Unicode. This often happens when the source data is in a non-Unicode format and contains special characters or encodings that are not supported.
  
  
  Incorrect Character Set: The character set of the source data may not match the expected character set in the target Unicode system.
  
  
  Corrupted Data: The data being transferred may be corrupted or improperly formatted, leading to conversion failures.
  
  
  Incompatible Data Types: The data types in the source and target systems may not be compatible, leading to conversion issues.
  
  
  Solutions to IUUC_RT001 Error
  
  
  Check Data Encoding: Ensure that the data being processed is in the correct encoding format. If the data is in a non-Unicode format, consider converting it to Unicode before processing.
  
  
  Data Cleansing: Review the data for any special characters or invalid entries that may cause conversion issues. Cleanse the data to remove or replace problematic characters.
  
  
  Use Conversion Tools: Utilize SAP tools or third-party tools designed for data conversion to handle the transformation of non-Unicode data to Unicode.
  
  
  Adjust Character Set Settings: Verify the character set settings in both the source and target systems. Ensure they are compatible and correctly configured.
  
  
  Review Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific data causing the issue.
  
  
  Test with Sample Data: If possible, test the conversion process with a smaller subset of data to identify specific records that may be causing the issue.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on handling Unicode conversion issues.
  
  
  Related Information
  
  
  SAP Unicode Conversion: Understanding how SAP handles Unicode and the implications for data processing is crucial. SAP systems can operate in both Unicode and non-Unicode modes, and transitioning between these modes requires careful planning.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (Client Administration) and SCC1 (Client Copy) for managing client settings and data transfers.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  
  By following these steps and understanding the underlying causes, you can effectively troubleshoot and resolve the IUUC_RT001 Unicode conversion error in your SAP environment.