How To Fix EU399 - Use, if possible, no special characters (e.g., umlauts)

EU399 - Overview

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 399

• Message text: Use, if possible, no special characters (e.g., umlauts)

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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EU399 - Details

• The SAP error message EU399 indicates that the system has encountered special characters (such as umlauts or other non-standard characters) in a field where they are not allowed. This can occur in various contexts, such as when entering data in forms, uploading files, or processing transactions.
  
  Cause:
  
  Special Characters: The presence of special characters (e.g., ä, ö, ü, ß) in input fields that do not support them.
  Data Import/Export: When importing or exporting data, special characters may not be handled correctly, leading to errors.
  Configuration Settings: Certain configurations in the SAP system may restrict the use of special characters.
  
  
  Solution:
  
  Remove Special Characters: Review the input data and remove any special characters. Replace umlauts with their equivalent (e.g., ä ? ae, ö ? oe, ü ? ue).
  Data Validation: Implement data validation checks to ensure that users do not enter special characters in fields that do not support them.
  Use Standard Characters: When entering data, stick to standard