How To Fix TT193 - The only special character allowed in the name is '_' (underscore)

SAP Error Message - Details

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 193

• Message text: The only special character allowed in the name is '_' (underscore)

Self-Explanatory Message

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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 TT193 - The only special character allowed in the name is '_' (underscore) ?

  The SAP error message TT193 indicates that there is an issue with the naming convention of an object, such as a variable, table, or field, in your SAP system. Specifically, this error arises when the name you are trying to use contains special characters that are not permitted, except for the underscore character (_).
  Cause:
  The error occurs because SAP has specific naming conventions that restrict the use of special characters in object names. According to these conventions, only the underscore (_) is allowed as a special character. Other characters, such as spaces, hyphens, or any other symbols, will trigger this error.
  Solution:
  To resolve the TT193 error, you should:
  
  
  Review the Name: Check the name of the object you are trying to create or modify. Look for any special characters that are not allowed.
  
  
  Modify the Name: Change the name to comply with SAP's naming conventions. Ensure that the name:
  
  Only contains alphanumeric characters (A-Z, a-z, 0-9) and underscores (_).
  Does not start with a number.
  Is not too long (SAP has specific length limits for different types of objects).
  
  
  
  Test Again: After modifying the name, try to execute the action again to see if the error persists.
  
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for different types of objects (e.g., tables, fields, programs) to avoid similar errors in the future.
  Documentation: Refer to the official SAP documentation or help resources for more detailed guidelines on naming conventions and best practices.
  Error Handling: If you continue to encounter issues, consider checking for other related error messages or consulting with your SAP administrator or support team for further assistance.
  
  By following these steps, you should be able to resolve the TT193 error and successfully create or modify the object in your SAP system.