How To Fix FINCS_USEL003 - Only letters, numbers, and underscores are allowed. Start with a letter.

SAP Error Message - Details

• Message type: E = Error

• Message class: FINCS_USEL - Message Class of Unified Selection

• Message number: 003

• Message text: Only letters, numbers, and underscores are allowed. Start with a letter.

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 FINCS_USEL003 - Only letters, numbers, and underscores are allowed. Start with a letter. ?

  The SAP error message FINCS_USEL003 indicates that a certain input field is not adhering to the required format. Specifically, it states that only letters, numbers, and underscores are allowed, and that the input must start with a letter. This error typically occurs in scenarios where a user is trying to create or modify an identifier, such as a user name, variable name, or other similar fields.
  Cause:
  
  Invalid Characters: The input contains characters that are not allowed (e.g., spaces, special characters like @, #, $, etc.).
  Incorrect Starting Character: The input does not start with a letter (A-Z or a-z).
  Length Restrictions: The input may also be violating length restrictions, although this specific error message does not directly indicate that.
  
  Solution:
  To resolve the FINCS_USEL003 error, follow these steps:
  
  
  Check Input Format:
  
  Ensure that the input consists only of letters (A-Z, a-z), numbers (0-9), and underscores (_).
  Make sure the first character of the input is a letter.
  
  
  
  Modify Input:
  
  If the input contains invalid characters, remove or replace them with valid ones.
  If the input starts with a number or an invalid character, change it to start with a letter.
  
  
  
  Example of Valid Input:
  
  Valid: User_1, example123, A_variable
  Invalid: 1User, User@Name, User Name
  
  
  
  Re-enter the Data: After making the necessary changes, re-enter the data in the field that triggered the error.
  
  
  Related Information:
  
  Field Specifications: Check the documentation or help section related to the specific field you are working with to understand the exact requirements for valid input.
  SAP Notes: If the issue persists or if you encounter similar errors frequently, consider checking SAP Notes or the SAP Community for any known issues or updates related to the error message.
  User Training: If this error is common among multiple users, consider providing training or guidelines on the acceptable formats for input fields in SAP.
  
  By following these steps, you should be able to resolve the error and successfully input the required data.