How To Fix HRAU_STP020 - User Credentials contains one or more invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: HRAU_STP - STP Details

• Message number: 020

• Message text: User Credentials contains one or more invalid characters

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 HRAU_STP020 - User Credentials contains one or more invalid characters ?

  The SAP error message HRAU_STP020 indicates that the user credentials being entered contain one or more invalid characters. This error typically occurs during the authentication process when the username or password does not conform to the expected format or character set defined by the system.
  Causes:
  
  Invalid Characters: The username or password may include special characters that are not allowed by the system's configuration.
  Length Restrictions: The credentials may not meet the minimum or maximum length requirements.
  Whitespace Issues: Leading or trailing spaces in the username or password can trigger this error.
  Encoding Issues: If the credentials are being entered or transmitted in a format that is not supported, it may lead to this error.
  
  Solutions:
  
  
  Check for Invalid Characters: Review the username and password for any special characters that may not be allowed. Common invalid characters include:
  
  Spaces
  Special symbols (e.g., !, @, #, $, %, ^, &, *, etc.)
  Non-alphanumeric characters
  
  
  
  Verify Length Requirements: Ensure that the username and password meet the system's length requirements. Typically, usernames should be between 1-12 characters, and passwords may have specific length constraints.
  
  
  Trim Whitespace: Make sure there are no leading or trailing spaces in the username or password. You can do this by retyping the credentials carefully.
  
  
  Use Supported Encoding: If you are entering credentials through a programmatic interface or API, ensure that the encoding used is compatible with the SAP system.
  
  
  Consult Documentation: Refer to the SAP documentation or your organization's security policy for specific rules regarding username and password formats.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or system administrator for further assistance.
  
  
  Related Information:
  
  SAP Security Guidelines: Familiarize yourself with the security guidelines provided by SAP, which often include best practices for creating usernames and passwords.
  User Management: If you have administrative access, you can check the user management settings in SAP to see if there are specific restrictions in place for user credentials.
  System Configuration: Sometimes, the system configuration may impose additional restrictions. It may be helpful to review the configuration settings related to user authentication.
  
  By following these steps, you should be able to resolve the HRAU_STP020 error and successfully authenticate to the SAP system.