How To Fix KG1175 - First character must be a letter

SAP Error Message - Details

• Message type: E = Error

• Message class: KG1 - CO-PA planning

• Message number: 175

• Message text: First character must be 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KG1175 - First character must be a letter ?

  The SAP error message KG1175, which states "First character must be a letter," typically occurs in the context of entering a key or identifier in SAP that does not conform to the naming conventions required by the system. This error is often encountered in various modules, including those related to cost accounting or controlling.
  Cause:
  The error is triggered when a user attempts to enter a key (such as a cost center, internal order, or other identifiers) that begins with a character that is not a letter (A-Z). SAP has specific rules for naming conventions, and the first character of certain identifiers must always be a letter.
  Solution:
  To resolve this error, you should:
  
  
  Check the Input: Ensure that the first character of the identifier you are trying to enter is a letter. For example, if you are trying to enter "1ABC", change it to "A1BC" or any other valid format that starts with a letter.
  
  
  Review Naming Conventions: Familiarize yourself with the naming conventions for the specific module you are working in. Different types of identifiers may have different rules.
  
  
  Modify the Identifier: If you have control over the identifier being used, modify it to comply with the naming rules. If the identifier is being generated by a program or a report, you may need to adjust the logic to ensure it starts with a letter.
  
  
  Consult Documentation: If you are unsure about the naming conventions, refer to the SAP documentation or help files related to the specific module you are working with.
  
  
  Seek Help from SAP Support: If you continue to experience issues, consider reaching out to your SAP support team or consulting SAP Notes for any specific guidance related to this error.
  
  
  Related Information:
  
  SAP Naming Conventions: Different SAP modules have specific naming conventions that must be adhered to. Understanding these conventions can help prevent similar errors in the future.
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., KSB1 for cost center reports, KO01 for creating internal orders).
  User Training: Providing training for users on proper data entry practices can help minimize errors like KG1175.
  
  By ensuring that identifiers start with a letter and conform to SAP's naming conventions, you can avoid encountering this error in the future.