How To Fix S7502 - Four-byte Unicode is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: S7 - Runtime Analysis: Message Texts

• Message number: 502

• Message text: Four-byte Unicode is not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S7502 - Four-byte Unicode is not supported ?

  The SAP error message S7502, which states "Four-byte Unicode is not supported," typically occurs when there is an attempt to use a character that is represented in four bytes in a context that only supports two-byte Unicode characters. This is often related to the use of certain Unicode characters that fall outside the Basic Multilingual Plane (BMP), which includes characters that require four bytes for representation.
  Cause:
  
  Character Encoding: The error arises when the system encounters a character that is not supported by the current encoding settings. SAP systems traditionally use UCS-2 encoding, which supports only characters in the BMP (up to U+FFFF).
  Data Input: If data is being imported or processed that includes characters from supplementary planes (like certain emoji or rare Chinese characters), this can trigger the error.
  Database Configuration: The database or the SAP system may not be configured to handle four-byte Unicode characters.
  
  Solution:
  
  Check Character Encoding: Ensure that the character encoding settings in your SAP system are set to support the required character set. If you need to work with four-byte characters, consider upgrading to a version of SAP that supports UTF-8 encoding.
  Data Validation: Review the data being processed to ensure it does not contain unsupported characters. You may need to sanitize or filter out these characters before processing.
  Upgrade SAP Version: If your SAP system is outdated, consider upgrading to a version that supports UTF-8 encoding, which can handle four-byte Unicode characters.
  Database Configuration: If you are using a database that supports UTF-8, ensure that the database is configured correctly to handle four-byte characters. This may involve changing the character set of the database or specific columns.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases updates that may address character encoding issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on character encoding and Unicode support.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Testing: If you are developing or customizing applications, ensure thorough testing with various character sets to identify potential issues early in the development process.
  
  By addressing the character encoding settings and ensuring that your data does not include unsupported characters, you can resolve the S7502 error in SAP.