How To Fix R9E031 - Illegal characters are used in the technical name

SAP Error Message - Details

• Message type: E = Error

• Message class: R9E - Error Messages for Query Designer .NET

• Message number: 031

• Message text: Illegal characters are used in the technical name

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 R9E031 - Illegal characters are used in the technical name ?

  The SAP error message R9E031, which states "Illegal characters are used in the technical name," typically occurs when you are trying to create or modify an object (such as a table, field, or program) in the SAP system, and the name you have provided contains characters that are not allowed according to SAP naming conventions.
  Cause:
  The error is caused by using invalid characters in the technical name of an object. SAP has specific rules for naming objects, which generally include:
  
  Names must start with a letter (A-Z or a-z).
  Names can include letters, numbers (0-9), and underscores (_).
  Special characters (like spaces, punctuation, etc.) are not allowed.
  The length of the name must not exceed the maximum allowed length (usually 30 characters for many object types).
  
  Solution:
  To resolve this error, you should:
  
  Check the Naming Convention: Review the technical name you are trying to use and ensure it adheres to SAP's naming conventions.
  Modify the Name: Change the name to remove any illegal characters. Use only letters, numbers, and underscores, and ensure it starts with a letter.
  Re-attempt the Action: After correcting the name, try to create or modify the object again.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for specific naming conventions related to the type of object you are working with (e.g., tables, programs, function modules).
  Transaction Codes: If you are working in a specific transaction (like SE11 for Data Dictionary objects), ensure you are familiar with the rules applicable to that transaction.
  Naming Guidelines: Familiarize yourself with the general guidelines for naming conventions in SAP, which can help prevent similar errors in the future.
  
  By following these steps, you should be able to resolve the R9E031 error and successfully create or modify the object in SAP.